/* ============================================================
   Vitor Correia — Portfólio BI / Data Analytics
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg: #0b0f17;
  --bg-deep: #090c12;
  --bg-lift: #0d1320;
  --bg-mid: #0c111c;
  --surface: #121826;
  --surface-2: #1a2233;
  --border: rgba(233, 239, 248, 0.09);
  --border-strong: rgba(233, 239, 248, 0.16);

  --text: #e9edf3;
  --text-muted: #93a0b4;
  --text-faint: #5c6779;

  --accent: #e9a23b;
  --accent-soft: rgba(233, 162, 59, 0.14);
  --accent-2: #33c6b0;
  --accent-2-soft: rgba(51, 198, 176, 0.14);

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;

  --container: 1160px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, dl, dd, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
svg { display: block; }

body {
  background:
    radial-gradient(1100px 640px at 88% 0%, rgba(233, 162, 59, 0.055), transparent 62%),
    radial-gradient(900px 620px at 4% 34%, rgba(51, 198, 176, 0.045), transparent 64%),
    radial-gradient(1000px 680px at 94% 74%, rgba(233, 162, 59, 0.035), transparent 62%),
    radial-gradient(800px 560px at 8% 96%, rgba(51, 198, 176, 0.035), transparent 64%),
    linear-gradient(180deg, var(--bg-lift) 0%, var(--bg) 18%, var(--bg-deep) 52%, var(--bg-mid) 78%, var(--bg) 100%);
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.accent { color: var(--accent); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #0b0f17;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  z-index: 999;
}
.skip-link:focus {
  left: 24px;
  top: 16px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Section scaffolding ---------- */
.section {
  padding: 108px 0;
  border-top: 1px solid var(--border);
}

.eyebrow {
  font-size: 0.82rem;
  color: var(--accent-2);
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  max-width: 20ch;
}

.section__lead {
  color: var(--text-muted);
  max-width: 56ch;
  margin-top: 14px;
  font-size: 1.02rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn--primary {
  background: var(--accent);
  color: #14100a;
}
.btn--primary:hover { transform: translateY(-2px); background: #f0ac47; }

.btn--ghost {
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--accent-2); color: var(--accent-2); transform: translateY(-2px); }

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), padding 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(11, 15, 23, 0.86);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--border);
  padding: 14px 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.nav__logo-bracket { color: var(--accent); }

.nav__right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  font-size: 0.94rem;
  color: var(--text-muted);
  position: relative;
  transition: color 0.2s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a.is-active { color: var(--text); }
.nav__links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav__cta {
  padding: 9px 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text) !important;
}
.nav__cta:hover { border-color: var(--accent); color: var(--accent) !important; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
}
.lang-switch__btn {
  display: flex;
  width: 28px;
  height: 20px;
  border-radius: 5px;
  overflow: hidden;
  opacity: 0.4;
  transition: opacity 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.lang-switch__btn:hover { opacity: 0.75; }
.lang-switch__btn[aria-pressed="true"] {
  opacity: 1;
  box-shadow: 0 0 0 2px var(--accent);
}
.lang-switch__flag { width: 100%; height: 100%; display: block; }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}
.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 172px 0 96px;
  overflow: hidden;
}

.hero__grid-bg {
  position: absolute;
  inset: -10% -5%;
  background-image:
    radial-gradient(circle, rgba(233,239,248,0.06) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse 60% 60% at 60% 30%, black 10%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero__eyebrow {
  font-size: 0.88rem;
  color: var(--accent-2);
  margin-bottom: 22px;
  min-height: 1.4em;
}
.hero__eyebrow-line::after {
  content: "";
  display: inline-block;
  width: 8px; height: 1em;
  margin-left: 2px;
  background: var(--accent-2);
  vertical-align: -0.15em;
  animation: blink 1s step-end infinite;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 15ch;
}

.hero__subtitle {
  margin-top: 22px;
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 46ch;
}

.hero__actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.hero__kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(108px, 1fr));
  gap: 12px;
  margin-top: 52px;
  max-width: 420px;
}

.kpi {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 14px 12px;
}
.kpi:nth-child(2) { border-top-color: var(--accent-2); }
.kpi:nth-child(3) { border-top-color: var(--accent); }

.kpi__label {
  font-size: 0.68rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.kpi__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  margin-top: 4px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 5px;
}
.kpi__unit {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.66rem;
  color: var(--text-faint);
}

/* ---------- Hero media ---------- */
.hero__media {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero__chart {
  position: absolute;
  top: -8%;
  left: -6%;
  width: 112%;
  height: auto;
  opacity: 0.55;
  z-index: 0;
}
.hero__chart-axis { stroke: var(--border-strong); stroke-width: 1; }
.hero__chart-line {
  fill: none;
  stroke: var(--accent-2);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 620;
  stroke-dashoffset: 620;
}
.hero__chart-line.is-drawn {
  transition: stroke-dashoffset 1.6s var(--ease);
  stroke-dashoffset: 0;
}
.hero__chart-dots circle { fill: var(--bg); stroke: var(--accent-2); stroke-width: 2; }
.hero__chart-dot--end { fill: var(--accent); stroke: var(--accent); }

.hero__photo-wrap {
  position: relative;
  z-index: 1;
  width: min(100%, 340px);
}

.hero__photo-frame {
  position: relative;
  aspect-ratio: 1189 / 1424;
}
.hero__photo-frame::before {
  content: "";
  position: absolute;
  inset: 4% 6% 8%;
  background: radial-gradient(ellipse 62% 58% at 50% 34%, var(--accent-soft), transparent 72%);
  z-index: 0;
}
.hero__photo-frame::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: 2%;
  height: 14%;
  background: radial-gradient(ellipse 50% 100% at 50% 50%, rgba(0,0,0,0.4), transparent 75%);
  filter: blur(6px);
  z-index: 0;
}
.hero__photo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom center;
  filter: grayscale(0.15) contrast(1.02);
}

.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px; height: 34px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  z-index: 1;
}
.hero__scroll span {
  display: block;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  margin: 6px auto 0;
  animation: scrollDot 1.8s ease-in-out infinite;
}

@keyframes blink { 50% { opacity: 0; } }
@keyframes scrollDot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.3; }
}

/* ---------- Sobre ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-top: 44px;
  align-items: start;
}

.about__text p {
  color: var(--text-muted);
  margin-bottom: 18px;
}
.about__text strong { color: var(--text); font-weight: 600; }

.about__focus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.focus-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.focus-card:hover { border-color: var(--accent-2); transform: translateY(-3px); }

.focus-card__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 26px;
  padding-inline: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.focus-card h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  margin-bottom: 6px;
}
.focus-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---------- Experiência (timeline) ---------- */
.timeline {
  position: relative;
  margin-top: 48px;
  padding-left: 28px;
  border-left: 1px solid var(--border-strong);
}

.timeline__item {
  position: relative;
  padding-bottom: 44px;
}
.timeline__item:last-child { padding-bottom: 0; }

.timeline__marker {
  position: absolute;
  left: -33px;
  top: 6px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.timeline__item:first-child .timeline__marker {
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.timeline__date {
  font-size: 0.78rem;
  color: var(--accent-2);
}

.timeline__role {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 8px;
}
.timeline__org {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 2px;
}

.timeline__list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 68ch;
}
.timeline__list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-muted);
  font-size: 0.94rem;
}
.timeline__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 6px; height: 1px;
  background: var(--accent);
}

/* ---------- Skills ---------- */
.skills__block {
  margin-top: 44px;
}
.skills__block--soft {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px dashed var(--border);
}

.skills__subtitle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.skills__subtitle::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--accent);
  flex-shrink: 0;
}
.skills__block--soft .skills__subtitle::before { background: var(--accent-2); }

.skill-flip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-flip {
  width: 100px;
  height: 100px;
  perspective: 900px;
  cursor: pointer;
}
.skill-flip__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s var(--ease);
  transform-style: preserve-3d;
}
.skill-flip:hover .skill-flip__inner,
.skill-flip:focus-visible .skill-flip__inner,
.skill-flip.is-flipped .skill-flip__inner {
  transform: rotateY(180deg);
}

.skill-flip__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px;
  text-align: center;
}
.skill-flip__face--front {
  background: var(--surface);
  color: var(--accent-2);
}
.skill-flip__face--back {
  background: var(--surface);
  transform: rotateY(180deg);
}
.skill-flip--featured .skill-flip__face--front {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent);
}

.skill-flip__icon svg { width: 22px; height: 22px; }
.skill-flip__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.7rem;
  color: var(--text);
  line-height: 1.15;
}
.skill-flip__level {
  color: var(--accent);
  letter-spacing: 1.5px;
  font-size: 0.6rem;
}
.skill-flip__desc {
  font-size: 0.62rem;
  color: var(--text-muted);
  line-height: 1.25;
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 48px;
}

.skill-group__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.chip-list, .soft-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 6px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-size: 0.86rem;
  color: var(--text-muted);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.skill-item:hover {
  border-color: var(--accent-2);
  color: var(--text);
  transform: translateY(-2px);
}

.skill-item__icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--accent-2);
}
.skill-item__icon svg { width: 14px; height: 14px; }

.skill-item--featured {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent);
  font-weight: 600;
}
.skill-item--featured .skill-item__icon { background: var(--accent); color: #14100a; }
.skill-item--featured:hover { border-color: var(--accent); color: var(--accent); }

.skill-item--soft .skill-item__icon { background: var(--surface-2); color: var(--text-muted); }
.skill-item--soft:hover .skill-item__icon { color: var(--accent-2); }

/* ---------- Projetos (carrossel) ---------- */
.projects-carousel {
  margin-top: 48px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.projects-track {
  flex-grow: 1;
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 10px 2px 8px;
  margin: -10px -2px -8px;
}
.projects-track::-webkit-scrollbar { display: none; }

.project-slide {
  flex: 0 0 calc((100% - 2 * 24px) / 3);
  min-width: 0;
  scroll-snap-align: start;
}

.projects-arrow {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), opacity 0.2s var(--ease);
}
.projects-arrow svg { width: 18px; height: 18px; }
.projects-arrow:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.projects-arrow:disabled { opacity: 0.3; cursor: default; }

.project-card {
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.project-card:hover { border-color: var(--border-strong); transform: translateY(-4px); }

.project-card__cover {
  position: relative;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-card__cover--pbi {
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-2-soft));
}
.project-card__icon {
  width: 52px; height: 52px;
  fill: var(--accent);
}

.project-card__cover--image { padding: 0; }
.project-card__cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease);
}
.project-card:hover .project-card__cover-img { transform: scale(1.04); }

.project-card__cover-gif {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.project-card:hover .project-card__cover-gif { opacity: 1; }

.project-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: var(--accent);
  color: #14100a;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 5px 11px;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.project-card--mvp {
  border-color: var(--accent);
}
.project-card--mvp:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.project-card__body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
}
.project-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-grow: 1;
}

.project-card__highlights {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.project-card__highlights li {
  position: relative;
  padding-left: 16px;
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.4;
}
.project-card__highlights li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.6em;
  width: 6px; height: 1px;
  background: var(--accent-2);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.project-card__tags li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 9px;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--text-muted);
}

.project-card__link {
  margin-top: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-2);
}
.project-card__link:hover { text-decoration: underline; }
.project-card__link--details { cursor: pointer; text-align: left; }

/* ---------- Certificações (carrossel) ---------- */
.certs-carousel {
  margin-top: 48px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.certs-track {
  flex-grow: 1;
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 10px 2px 8px;
  margin: -10px -2px -8px;
}
.certs-track::-webkit-scrollbar { display: none; }

.cert-slide {
  flex: 0 0 calc((100% - 2 * 20px) / 3);
  min-width: 0;
  scroll-snap-align: start;
}

.cert-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.cert-card:hover { border-color: var(--accent-2); transform: translateY(-3px); }

.cert-card__badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 26px;
  padding-inline: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
}

.cert-card__title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
}
.cert-card__issuer {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.cert-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.cert-card__tags li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--text-muted);
}

.cert-card__links {
  margin-top: auto;
  padding-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cert-card__link {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--accent-2);
}
.cert-card__link:hover { text-decoration: underline; }

.certs-arrow {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), opacity 0.2s var(--ease);
}
.certs-arrow svg { width: 18px; height: 18px; }
.certs-arrow:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.certs-arrow:disabled { opacity: 0.3; cursor: default; }

/* ---------- Contato ---------- */
.contato__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: border-color 0.25s var(--ease);
}
.contact-item:hover { border-color: var(--accent-2); }

.contact-item__icon {
  width: 38px; height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--accent-2-soft);
  color: var(--accent-2);
}
.contact-item__icon svg { width: 19px; height: 19px; }

.contact-item__body { display: flex; flex-direction: column; gap: 2px; flex-grow: 1; min-width: 0; }
.contact-item__label {
  font-size: 0.68rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.contact-item__body a { font-size: 0.96rem; overflow-wrap: anywhere; }
.contact-item__body a:hover { color: var(--accent-2); }

.contact-item__copy {
  font-size: 0.78rem;
  padding: 7px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text-muted);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
  flex-shrink: 0;
}
.contact-item__copy:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer__meta {
  color: var(--text-faint);
  font-size: 0.78rem;
  text-align: center;
}
.footer__top {
  width: 36px; height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.footer__top:hover { border-color: var(--accent); transform: translateY(-3px); }

/* ---------- Modal: detalhes do projeto ---------- */
body.modal-open { overflow: hidden; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease), visibility 0.25s var(--ease);
}
.modal.is-open {
  opacity: 1;
  visibility: visible;
}
.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 14, 0.72);
  backdrop-filter: blur(3px);
}
.modal__dialog {
  position: relative;
  z-index: 1;
  width: min(96vw, 1520px);
  height: min(94vh, 940px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  transform: translateY(16px) scale(0.98);
  transition: transform 0.25s var(--ease);
}
.modal.is-open .modal__dialog {
  transform: translateY(0) scale(1);
}
.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  flex: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.modal__close svg { width: 16px; height: 16px; }
.modal__close:hover { color: var(--text); border-color: var(--accent); transform: rotate(90deg); }

.modal__header { flex: none; padding-right: 40px; margin-bottom: 18px; }
.modal__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.modal__subtitle { font-size: 0.92rem; color: var(--text-muted); max-width: 62ch; }

.modal__body {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: 1fr;
  gap: 24px;
}
.modal__panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}
.modal__panel-label {
  flex: none;
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 10px;
}

.modal__flow-wrap {
  flex: 1 1 auto;
  min-height: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
}
.modal__flow-frame { width: 100%; height: 100%; border: 0; }

.modal__video-wrap {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
}
.modal__video { display: none; width: 100%; height: 100%; object-fit: cover; background: #000; }
.modal__video-wrap.is-ready .modal__video { display: block; }
.modal__video-wrap.is-ready .modal__video-placeholder { display: none; }
.modal__video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-faint);
  font-size: 0.85rem;
  text-align: center;
  padding: 24px;
}
.modal__video-placeholder svg { width: 40px; height: 40px; opacity: 0.6; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .hero__layout { grid-template-columns: minmax(0, 1fr); }
  .hero__media { order: -1; margin-bottom: 24px; max-width: 340px; margin-inline: auto; }
  .hero { padding-top: 148px; }
  .about__grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .project-slide { flex-basis: calc((100% - 24px) / 2); }
  .cert-slide { flex-basis: calc((100% - 20px) / 2); }
  .contato__layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}

@media (max-width: 768px) {
  .section { padding: 76px 0; }

  .nav__links {
    position: fixed;
    inset: 68px 16px auto 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 12px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  }
  .nav__links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__links a { padding: 12px 10px; border-radius: 8px; }
  .nav__links a:hover { background: var(--surface-2); }
  .nav__cta { text-align: center; margin-top: 4px; }
  .nav__toggle { display: flex; }
  .nav__right { gap: 12px; }

  .hero { padding-top: 128px; }
  .hero__media { max-width: clamp(180px, 46vw, 240px); margin-bottom: 16px; }
  .hero__kpis { max-width: 100%; }
  .hero__actions .btn { flex: 1; justify-content: center; }

  .about__focus { grid-template-columns: minmax(0, 1fr); }
  .skills__grid { grid-template-columns: minmax(0, 1fr); }

  .projects-carousel, .certs-carousel { gap: 10px; }
  .projects-arrow, .certs-arrow { width: 38px; height: 38px; }
  .project-slide, .cert-slide { flex-basis: 100%; }

  .timeline { padding-left: 22px; }

  .footer__inner { flex-direction: column; text-align: center; }

  .modal { padding: 10px; }
  .modal__dialog { width: 100%; height: min(96vh, 900px); padding: 18px; }
  .modal__header { padding-right: 36px; margin-bottom: 12px; }
  .modal__body { grid-template-columns: minmax(0, 1fr); grid-template-rows: 1fr 1fr; gap: 14px; }
  .modal__panel--video { order: -1; }
}

@media (max-width: 420px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__chart-line { stroke-dashoffset: 0; }
}