/* ==========================================================================
   PORTFÓLIO — DESIGN TOKENS
   ========================================================================== */
:root {
  /* Cores — tema escuro (padrão) */
  --bg: #0a0a0c;
  --bg-elev: #131316;
  --card: #17171b;
  --border: #232327;
  --text: #f5f4f2;
  --text-muted: #9a9aa2;
  --accent: #ff4d4d;
  --accent-rgb: 255, 77, 77;
  --accent-soft: rgba(255, 77, 77, 0.12);
  --accent-2: #2dd4bf;
  --accent-2-rgb: 45, 212, 191;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);

  /* Tipografia */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --container-w: 1200px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --header-h: 76px;

  /* Motion */
  --ease: cubic-bezier(.22, 1, .36, 1);
  --transition-fast: .25s var(--ease);
  --transition-med: .5s var(--ease);
}

[data-theme="light"] {
  --bg: #f6f5f2;
  --bg-elev: #ffffff;
  --card: #ffffff;
  --border: #e6e4de;
  --text: #17171b;
  --text-muted: #63636b;
  --accent: #ff4d4d;
  --accent-soft: rgba(255, 77, 77, 0.08);
  --accent-2: #0f8f82;
  --shadow: 0 20px 50px -20px rgba(20, 20, 20, 0.15);
}

/* ==========================================================================
   RESET
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background var(--transition-med), color var(--transition-med);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
textarea {
  font: inherit;
  color: inherit;
}

.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

main {
  position: relative;
  z-index: 1;
}

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

/* ==========================================================================
   CURSOR GLOW (decorativo, segue o mouse — desktop apenas)
   ========================================================================== */
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.10), transparent 70%);
  transform: translate(-50%, -50%);
  transition: opacity .4s ease;
  opacity: 0;
}

@media (hover: hover) and (pointer: fine) {
  .cursor-glow.is-active {
    opacity: 1;
  }
}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), backdrop-filter var(--transition-fast);
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

.header__inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

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

.nav__list {
  display: flex;
  gap: clamp(1rem, 2vw, 2.25rem);
}

.nav__link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-fast);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--text);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--accent);
  transform: rotate(15deg);
}

.lang-toggle {
  min-width: 44px;
  height: 42px;
  padding: 0 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: border-color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}

.lang-toggle:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.theme-toggle__icon {
  position: absolute;
  font-size: 1rem;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle__icon--sun {
  opacity: 1;
  transform: scale(1) rotate(0);
  color: var(--accent);
}

.theme-toggle__icon--moon {
  opacity: 0;
  transform: scale(0.4) rotate(-60deg);
}

[data-theme="light"] .theme-toggle__icon--sun {
  opacity: 0;
  transform: scale(0.4) rotate(60deg);
}

[data-theme="light"] .theme-toggle__icon--moon {
  opacity: 1;
  transform: scale(1) rotate(0);
  color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* ==========================================================================
   BOTÕES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.btn i {
  font-size: 0.85em;
  transition: transform var(--transition-fast);
}

.btn--primary {
  background: var(--accent);
  color: #0a0a0c;
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px -10px rgba(var(--accent-rgb), 0.55);
}

.btn--primary:hover i {
  transform: translateX(4px);
}

.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--full {
  width: 100%;
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--border) 60%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--border) 60%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 40%, transparent 90%);
  opacity: 0.6;
}

.hero__glow {
  position: absolute;
  top: 10%;
  right: 5%;
  width: 45vw;
  height: 45vw;
  max-width: 620px;
  max-height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.22), transparent 65%);
  filter: blur(10px);
}

.hero__container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 640px) minmax(280px, 1fr);
  align-items: center;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-block: clamp(3rem, 6vw, 4.5rem);
}

.hero__content {
  width: 100%;
  max-width: none;
  margin-right: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.3);
  }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 6.6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

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

.hero__subtitle {
  margin-top: 1.5rem;
  max-width: 44ch;
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.hero__cta {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Foto giratória (elemento assinatura) --- */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.photo-orbit {
  position: relative;
  width: min(360px, 70vw);
  aspect-ratio: 3 / 4;
  perspective: 1600px;
}

.photo-orbit__ring {
  position: absolute;
  inset: -6%;
  border-radius: 50% / 38%;
  border: 1px dashed color-mix(in srgb, var(--accent) 45%, transparent);
  animation: spin-ring 30s linear infinite;
}

@keyframes spin-ring {
  to {
    transform: rotate(360deg);
  }
}

.photo-orbit__flip {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50% / 42%;
  transform-style: preserve-3d;
  animation: flip-loop 9s var(--ease) infinite;
  box-shadow: var(--shadow);
}

@keyframes flip-loop {

  0%,
  42% {
    transform: rotateY(0deg);
  }

  50%,
  92% {
    transform: rotateY(180deg);
  }

  100% {
    transform: rotateY(360deg);
  }
}

.photo-orbit__face {
  position: absolute;
  inset: 0;
  border-radius: 50% / 42%;
  overflow: hidden;
  backface-visibility: hidden;
  border: 3px solid var(--accent);
}

.photo-orbit__face img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-orbit__face--back {
  transform: rotateY(180deg);
}

.hero__tags {
  position: absolute;
  right: clamp(0.5rem, 2vw, 2rem);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.hero__tags li::before {
  content: '— ';
  color: var(--accent);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  animation: bob 2.2s ease-in-out infinite;
}

@keyframes bob {

  0%,
  100% {
    transform: translate(-50%, 0);
  }

  50% {
    transform: translate(-50%, 8px);
  }
}

/* ==========================================================================
   SEÇÕES — GENÉRICO
   ========================================================================== */
.section {
  padding-block: clamp(4.5rem, 9vw, 7.5rem);
  position: relative;
}

.section-head {
  margin-bottom: clamp(2rem, 4.2vw, 2.8rem);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  letter-spacing: -0.01em;
}

.section-sub {
  margin-top: 0.6rem;
  color: var(--text-muted);
  font-size: 1rem;
}

/* Reveal-on-scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   SOBRE
   ========================================================================== */
.about__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
}

.about__lead {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1.1rem;
}

.about__text p {
  color: var(--text-muted);
  margin-bottom: 1.1rem;
}

.about__stats {
  margin-top: 2.25rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.stat {
  padding: 1.1rem 0.5rem 1.1rem 0;
  border-top: 1px solid var(--border);
}

.stat__num,
.stat__suffix {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--accent);
}

.stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.about__card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  position: relative;
  overflow: hidden;
}

.about__card::before {
  content: '';
  position: absolute;
  inset: -40% -40% auto auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.18), transparent 70%);
}

.about__quote-icon {
  color: var(--accent);
  font-size: 1.5rem;
  opacity: 0.6;
}

.about__quote {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.4;
  margin-top: 1rem;
}

.about__signature {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   TECNOLOGIAS
   ========================================================================== */
.tech__groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.tech__group {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: clamp(1.2rem, 2vw, 1.6rem);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
  min-height: 100%;
}

.tech__group:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  transform: translateY(-4px);
}

.tech__group-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.tech__list {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.tech__item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  transition: background var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.tech__item i {
  width: 1.3em;
  text-align: center;
  font-size: 1.05rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.tech__item:hover {
  background: var(--accent-soft);
  transform: translateX(4px);
}

.tech__item:hover i {
  color: var(--accent);
}

/* ==========================================================================
   PROJETOS
   ========================================================================== */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.project-card__media {
  position: relative;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 14%, var(--bg-elev)), var(--bg-elev));
  display: grid;
  place-items: center;
  overflow: hidden;
}

.project-card__placeholder {
  width: 100%;
  height: 100%;
}

.project-card__placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.project-card__placeholder i {
  font-size: 3rem;
  color: color-mix(in srgb, var(--accent) 55%, var(--text-muted));
  transition: transform var(--transition-med);
}

.project-card:hover .project-card__placeholder i {
  transform: scale(1.15) rotate(-6deg);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.icon-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #0a0a0c;
  transform: translateY(10px);
  transition: transform var(--transition-fast);
}

.project-card:hover .icon-btn {
  transform: translateY(0);
}

.project-card__body {
  padding: 1.35rem 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-card__body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.project-card__body p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.project-card__tags li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.65rem;
  border-radius: 100px;
  background: var(--accent-soft);
  color: var(--accent-2);
  border: 1px solid color-mix(in srgb, var(--accent-2) 30%, transparent);
}

/* ==========================================================================
   EXPERIÊNCIA — TIMELINE
   ========================================================================== */
.timeline {
  position: relative;
  padding-left: clamp(1.75rem, 4vw, 2.75rem);
  border-left: 1px solid var(--border);
  display: grid;
  gap: 1.25rem;
}

.timeline__item {
  position: relative;
  padding-bottom: 3rem;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: calc(-1 * clamp(1.75rem, 4vw, 2.75rem) - 6px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}

.timeline__period {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.timeline__content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-top: 0.35rem;
}

.timeline__company {
  display: block;
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 0.15rem 0 0.75rem;
}

.timeline__content p {
  color: var(--text-muted);
  max-width: 60ch;
}

/* ==========================================================================
   FORMAÇÃO — TABS
   ========================================================================== */
.tabs__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.25rem;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1.2rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.tab-btn i {
  font-size: 0.9em;
}

.tab-btn:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

.tab-btn.is-active {
  background: var(--accent);
  color: #0a0a0c;
  border-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
  animation: fade-in-up .5s var(--ease);
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.edu-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.edu-item:last-child {
  border-bottom: none;
}

.edu-item__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.edu-item h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.edu-item__meta {
  display: block;
  font-size: 0.82rem;
  color: var(--accent-2);
  font-family: var(--font-mono);
  margin-bottom: 0.4rem;
}

.edu-item p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ==========================================================================
   CONTATO
   ========================================================================== */
.contact__grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-self: stretch;
  padding: clamp(1.4rem, 2.4vw, 1.9rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, var(--card)), var(--card));
  box-shadow: var(--shadow);
}

.contact__intro {
  margin-bottom: 0.25rem;
}

.contact__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.contact__intro h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.contact__intro p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.contact__link {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 1rem;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
  padding: 0.25rem 0;
}

a.contact__link:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.contact__link i {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--accent);
}

.social-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.social-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  transition: all var(--transition-fast);
}

.social-icon:hover {
  background: var(--accent);
  color: #0a0a0c;
  border-color: var(--accent);
  transform: translateY(-3px);
}

.contact__form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.2rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.form-feedback {
  font-size: 0.88rem;
  min-height: 1.2em;
  color: var(--accent-2);
}

/* ==========================================================================
   RODAPÉ
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border);
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  background: linear-gradient(180deg, transparent 0%, rgba(var(--accent-rgb), 0.03) 100%);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 2.5rem;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.15rem;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
}

.footer__nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer__nav a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.footer__bottom {
  border-top: 1px solid var(--border);
  padding: 1.5rem clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer__bottom p {
  margin: 0;
}

.footer .social-row {
  gap: 0.75rem;
}

.footer .social-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border-color: rgba(var(--text-rgb, 245, 244, 242), 0.15);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.footer .social-icon:hover {
  background: var(--accent);
  color: #0a0a0c;
  transform: translateY(-2px);
}

.footer .back-to-top {
  width: 44px;
  height: 44px;
}


.back-to-top {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  transition: all var(--transition-fast);
}

.back-to-top:hover {
  background: var(--accent);
  color: #0a0a0c;
  border-color: var(--accent);
  transform: translateY(-3px);
}

/* ==========================================================================
   RESPONSIVIDADE
   ========================================================================== */
@media (max-width: 1024px) {

  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .tech__groups {
    grid-template-columns: 1fr 1fr;
  }

  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    order: 2;
  }

  .hero__visual {
    order: 1;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__subtitle {
    margin-inline: auto;
  }

  .hero__tags {
    display: none;
  }

  .about__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-toggle {
    display: flex;
  }

  .header__actions {
    gap: 0.5rem;
  }

  .theme-toggle,
  .lang-toggle {
    width: 38px;
    height: 38px;
    font-size: 0.78rem;
    padding: 0 0.65rem;
  }

  .lang-toggle {
    min-width: 38px;
  }

  .header__inner {
    gap: 1rem;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    background: rgba(var(--bg-elev-rgb, 16, 16, 18), 0.98);
    backdrop-filter: blur(18px);
    transform: translateY(-100%);
    transition: transform var(--transition-fast);
    z-index: 99;
    padding: 2.5rem 1.5rem 1.5rem;
  }

  .nav.is-open {
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    gap: 1.15rem;
    align-items: flex-start;
  }

  .nav__link {
    font-size: 1.05rem;
  }

  .tab-btn {
    padding: 0.7rem 1rem;
    font-size: 0.85rem;
    min-width: 170px;
    text-align: center;
  }

  .tabs__buttons {
    gap: 0.45rem;
    justify-content: center;
    flex-wrap: wrap;
  }

  .edu-item {
    flex-direction: column;
    gap: 1rem;
    padding: 1.1rem 0;
  }

  .edu-item__icon {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }

  .timeline {
    padding-left: 1rem;
  }

  .timeline__dot {
    left: -0.7rem;
  }

  .timeline__content p {
    max-width: 100%;
  }

  .contact__grid {
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  .hero__container {
    padding-block: 2rem;
  }

  .hero__title {
    font-size: clamp(2.2rem, 9vw, 3.8rem);
  }

  .hero__subtitle {
    max-width: 100%;
  }

  .header {
    height: 68px;
  }

  .nav-toggle {
    width: 36px;
    height: 28px;
  }

  .theme-toggle,
  .lang-toggle {
    width: 36px;
    height: 36px;
  }

  .lang-toggle {
    padding: 0 0.6rem;
  }

  .nav-toggle {
    width: 32px;
    height: 24px;
  }

  .nav-toggle span {
    width: 20px;
  }

  .section {
    padding-block: 3rem;
  }

  .projects__grid,
  .tech__groups {
    grid-template-columns: 1fr;
  }

  .project-card__body h3 {
    font-size: 1.05rem;
  }

  .project-card__body p,
  .about__text p,
  .timeline__content p,
  .edu-item p,
  .contact__intro p {
    font-size: 0.95rem;
  }

  .contact__grid,
  .about__grid {
    gap: 1.5rem;
  }

  .tabs__buttons {
    justify-content: center;
  }

  .tab-btn {
    width: 100%;
    justify-content: center;
  }

  .edu-item {
    padding: 1rem 0;
  }

  .edu-item__icon {
    width: 40px;
    height: 40px;
  }

  .contact__info {
    padding: 1.2rem;
  }
}


@media (max-width: 860px) {
  :root {
    --header-h: 68px;
  }

  .header {
    height: var(--header-h, 68px);
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    transform: translateX(100%);
    transition: transform var(--transition-med);
    display: flex;
    align-items: center;
    z-index: 90;
    overflow-y: auto;
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    width: 100%;
  }

  .nav__link {
    font-size: 1.4rem;
  }

  .nav-toggle {
    display: flex;
  }

  .projects__grid {
    grid-template-columns: 1fr;
  }

  .tech__groups {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .about__stats {
    grid-template-columns: 1fr 1fr;
  }

  .footer__inner {
    justify-content: center;
    text-align: center;
  }

  .footer__nav {
    justify-content: center;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
  }
}