/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --color-bg:           #0d0d0d;
  --color-bg-alt:       #111111;
  --color-surface:      #1a1a1a;
  --color-accent:       #7c3aed;
  --color-accent-light: #9d5fff;
  --color-accent-glow:  rgba(124, 58, 237, 0.35);
  --color-text:         #f2f2f2;
  --color-text-muted:   #a0a0a0;
  --color-border:       rgba(255, 255, 255, 0.08);

  --font-family: 'Poppins', sans-serif;
  --font-mono:   'JetBrains Mono', 'Courier New', monospace;

  --spacing-xs:      0.5rem;
  --spacing-sm:      1rem;
  --spacing-md:      1.5rem;
  --spacing-lg:      2rem;
  --spacing-xl:      3rem;
  --spacing-2xl:     5rem;
  --spacing-section: 6rem;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-full: 9999px;

  --blur-glass:      blur(12px);
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --shadow-glow:     0 0 40px rgba(124, 58, 237, 0.25);
  --shadow-card:     0 8px 32px rgba(0, 0, 0, 0.4);
}

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

html {
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.accent {
  color: var(--color-accent);
}

.section {
  padding: var(--spacing-section) 0;
  background-color: var(--color-bg);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(124, 58, 237, 0.15) 20%,
    rgba(124, 58, 237, 0.4) 50%,
    rgba(124, 58, 237, 0.15) 80%,
    transparent 100%
  );
}

.section-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-header {
  margin-bottom: var(--spacing-2xl);
}

.section-tag {
  display: block;
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-xs);
  font-family: var(--font-mono);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
}

/* ============================================================
   GLASS CARD
   ============================================================ */
.glass-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.glass-card:hover {
  box-shadow: var(--shadow-card), var(--shadow-glow);
  border-color: rgba(124, 58, 237, 0.3);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  line-height: 1;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.45);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

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

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
/* fade-in handled by GSAP ScrollTrigger in effects.js */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
}

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

#navbar.scrolled {
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.nav-logo:hover {
  color: var(--color-accent-light);
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(157, 95, 255, 0.45);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.lang-toggle:hover {
  border-color: rgba(157, 95, 255, 0.75);
  box-shadow: 0 0 14px rgba(124, 58, 237, 0.28);
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-1px);
}

.lang-option {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

.lang-option.active {
  color: #9d5fff;
  text-shadow: 0 0 8px rgba(157, 95, 255, 0.45);
}

.lang-sep {
  color: rgba(255, 255, 255, 0.45);
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 4px;
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  overflow: hidden;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
}

.hero-content {
  flex: 1;
  max-width: 560px;
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
  font-weight: 400;
}

.hero-name {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-xs);
  background: linear-gradient(
    90deg,
    var(--color-text)         0%,
    var(--color-accent-light) 25%,
    var(--color-accent)       45%,
    #c060ff                   55%,
    var(--color-accent-light) 75%,
    var(--color-text)         100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: nameGradient 4s linear infinite;
}

@keyframes nameGradient {
  0%   { background-position: 200% center; }
  100% { background-position: 0%   center; }
}

.hero-role {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
  max-width: 480px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.hero-socials {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 1.3rem;
  transition: all var(--transition-base);
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.3);
  transform: translateY(-2px);
}

/* Hero visual */
.hero-visual {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.t-placeholder {
  color: rgba(127, 255, 0, 0.85);
  font-style: italic;
  animation: placeholderPulse 2.5s ease-in-out infinite;
}

@keyframes placeholderPulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 0.9; }
}

/* ============================================================
   ASCII TERMINAL
   ============================================================ */
.terminal-hidden-input {
  position: absolute;
  left: -9999px;
  top: 0;
  opacity: 0;
  width: 1px;
  height: 1px;
  padding: 0;
  border: none;
  outline: none;
  background: transparent;
  color: transparent;
  caret-color: transparent;
  resize: none;
  overflow: hidden;
}

.ascii-terminal {
  position: relative;
  background: rgba(5, 5, 12, 0.96);
  border: 1px solid rgba(124, 58, 237, 0.5);
  border-radius: var(--radius-md);
  box-shadow:
    0 0 0 1px rgba(124, 58, 237, 0.08),
    0 0 35px rgba(124, 58, 237, 0.18),
    var(--shadow-card);
  overflow: hidden;
  overflow-x: auto;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.ascii-terminal:hover {
  border-color: rgba(124, 58, 237, 0.75);
  box-shadow:
    0 0 0 1px rgba(124, 58, 237, 0.15),
    0 0 50px rgba(124, 58, 237, 0.28),
    var(--shadow-card);
}

/* Terminal titlebar */
.terminal-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(124, 58, 237, 0.3);
  background: rgba(0, 0, 0, 0.3);
}

.terminal-title {
  margin-left: 8px;
  color: var(--color-accent-light);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-shadow: 0 0 8px rgba(157, 95, 255, 0.45);
}

/* Terminal content body */
.terminal-body {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--color-accent-light);
  padding: var(--spacing-md);
  white-space: pre;
  text-shadow: 0 0 8px rgba(157, 95, 255, 0.45);
  display: block;
  margin: 0;
  width: 420px;
  height: 320px;
  overflow: hidden;
}

.terminal-cursor {
  color: var(--color-text);
  text-shadow: 0 0 6px rgba(242, 242, 242, 0.8);
  animation: cursorBlink 1s step-end infinite;
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Terminal syntax colors */
.t-dot-r   { color: #ef4444; text-shadow: 0 0 5px rgba(239, 68, 68, 0.7); }
.t-dot-y   { color: #eab308; text-shadow: 0 0 5px rgba(234, 179, 8, 0.7); }
.t-dot-g   { color: #22c55e; text-shadow: 0 0 5px rgba(34, 197, 94, 0.7); }
.t-ok      { color: #22c55e; }
.t-err     { color: #ef4444; }
.t-cmd     { color: #f2f2f2; font-weight: 500; }
.t-bar     { color: var(--color-accent); text-shadow: 0 0 6px rgba(124, 58, 237, 0.7); }
.t-dim     { color: rgba(255, 255, 255, 0.6); }
.t-pending { color: #eab308; text-shadow: 0 0 5px rgba(234, 179, 8, 0.5); }
.t-blue    { color: #3b82f6; text-shadow: 0 0 5px rgba(59, 130, 246, 0.5); }
.t-glitch  {
  color: #ef4444;
  text-shadow: 0 0 8px rgba(239, 68, 68, 0.7), 2px 0 #7c3aed, -2px 0 #22c55e;
  animation: glitchFlicker 0.8s step-end infinite;
}

@keyframes glitchFlicker {
  0%, 100% { opacity: 1; text-shadow: 0 0 8px rgba(239, 68, 68, 0.7), 2px 0 #7c3aed, -2px 0 #22c55e; }
  25%      { opacity: 0.8; text-shadow: -2px 0 #ef4444, 2px 0 #22c55e; }
  50%      { opacity: 1; text-shadow: 2px 0 #ef4444, -2px 0 #7c3aed; }
  75%      { opacity: 0.9; text-shadow: 0 0 12px rgba(124, 58, 237, 0.9); }
}


/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  max-width: 700px;
  margin: 0 auto;
}

.about-text p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.about-highlights {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.highlight-item {
  display: flex;
  flex-direction: column;
}

.highlight-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.highlight-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}


/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.skills-category {
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base);
}

.skills-category:hover {
  border-color: rgba(124, 58, 237, 0.25);
}

.skills-category-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.skills-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.skill-pill:hover {
  background: rgba(124, 58, 237, 0.22);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.skill-pill i {
  font-size: 1.1rem;
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.project-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

/* Área de imagem do card */
.project-card-image {
  width: 100%;
  height: 140px;
  overflow: hidden;
  flex-shrink: 0;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 0% 20%;
  display: block;
  transition: transform 0.4s ease;
}

.project-card:hover .project-card-image img {
  transform: scale(1.06);
}

.project-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.08) 0%, rgba(124, 58, 237, 0.02) 100%);
  border-bottom: 1px dashed rgba(124, 58, 237, 0.2);
  color: var(--color-text-muted);
  font-size: 2rem;
  opacity: 0.4;
}

/* Corpo do card */
.project-card-body {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  flex: 1;
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

/* Tag padrão (roxo) */
.project-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.2);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.tag-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

/* Tag LAB (verde) */
.project-tag--lab {
  color: #4ade80;
  background: rgba(74, 222, 128, 0.1);
  border-color: rgba(74, 222, 128, 0.25);
}

.project-links {
  display: flex;
  gap: 10px;
}

.project-link {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
}

.project-link:hover {
  color: var(--color-accent);
  transform: translateY(-2px);
}

.project-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}

.project-description {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.stack-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.projects-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* ============================================================
   CERTIFICATIONS CAROUSEL
   ============================================================ */
.section-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-top: var(--spacing-xs);
}

.certs-carousel-wrapper {
  overflow: hidden;
  position: relative;
  padding: var(--spacing-sm) 0;
}

.certs-carousel-wrapper::before,
.certs-carousel-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.certs-carousel-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--color-bg-alt), transparent);
}

.certs-carousel-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--color-bg-alt), transparent);
}

.certs-carousel-track {
  display: flex;
  gap: var(--spacing-md);
  width: max-content;
  animation: carouselScroll 38s linear infinite;
}

.certs-carousel-track:hover {
  animation-play-state: paused;
}

@keyframes carouselScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.cert-card {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 150px;
  height: 130px;
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  cursor: default;
}

.cert-card:hover {
  border-color: rgba(124, 58, 237, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.2);
}

.cert-card-icon {
  font-size: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
}

.cert-card-icon i {
  font-size: 2.5rem;
}

.cert-svg-icon {
  width: 42px;
  height: 42px;
  color: var(--color-accent-light);
}

.cert-card-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.contact-intro {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.contact-info {
  min-width: 0;
  overflow: hidden;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  overflow-wrap: break-word;
  word-break: break-all;
  min-width: 0;
}

.contact-item a,
.contact-item .email-copy {
  overflow-wrap: break-word;
  word-break: break-all;
  min-width: 0;
}

.contact-item ion-icon {
  font-size: 1.3rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-item a:hover {
  color: var(--color-accent);
}

.contact-form {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(160, 160, 160, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.form-group input.input--error,
.form-group textarea.input--error {
  border-color: #f87171;
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.15);
}

.char-counter {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: right;
  margin-top: 4px;
  transition: color var(--transition-fast);
}

.char-counter--warn {
  color: #fbbf24;
}

.form-feedback {
  font-size: 0.875rem;
  font-weight: 500;
  min-height: 1.25rem;
}

.form-feedback--success {
  color: #4ade80;
}

.form-feedback--error {
  color: #f87171;
}

/* ============================================================
   EMAIL COPY & TOAST
   ============================================================ */
.email-copy {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.email-copy:hover {
  color: var(--color-accent);
}

.copy-icon {
  font-size: 1rem;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.email-copy:hover .copy-icon {
  opacity: 1;
}

.copy-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-accent);
  color: #fff;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 9999;
}

.copy-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-top {
  margin-bottom: var(--spacing-xs);
}

.footer-back-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(124, 58, 237, 0.3);
  background: rgba(124, 58, 237, 0.08);
  color: var(--color-accent);
  font-size: 1.3rem;
  transition: all var(--transition-base);
}

.footer-back-top:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.4);
}

.footer-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  opacity: 0.6;
  letter-spacing: 0.02em;
}

.footer-socials {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-socials .social-link {
  width: 36px;
  height: 36px;
  font-size: 1.1rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .section-container,
  .nav-container,
  .hero-inner,
  .footer-container {
    max-width: 960px;
  }

  .hero-name {
    font-size: 3rem;
  }

  .terminal-body {
    width: 380px;
    height: 300px;
  }
}

@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr); /* já é 2 colunas, sem mudança */
  }

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

  .terminal-body {
    width: 340px;
    height: 280px;
    font-size: 0.72rem;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.875rem;
  }

  /* Navbar */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(13, 13, 13, 0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
  }

  .nav-link::after {
    display: none;
  }

  .nav-container {
    gap: 10px;
  }

  .lang-toggle {
    margin-left: auto;
  }

  /* Hero */
  #hero {
    padding-top: 90px;
    padding-bottom: var(--spacing-xl);
  }

  .hero-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .hero-visual {
    order: 1;
  }

  .terminal-body {
    font-size: 0.62rem;
    padding: var(--spacing-sm);
    width: 300px;
    height: 260px;
  }

  .hero-name {
    font-size: 2.5rem;
  }

  .hero-description {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-socials {
    justify-content: center;
  }

  /* About */
  .about-text {
    text-align: center;
  }

  .about-text .btn {
    margin: 0 auto;
  }

  .about-highlights {
    justify-content: center;
  }

  /* Skills */
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .section-container {
    padding: 0 var(--spacing-sm);
  }

  .hero-inner {
    padding: 0 var(--spacing-sm);
  }

  .terminal-body {
    width: 260px;
    height: 240px;
    font-size: 0.56rem;
  }

  .hero-name {
    font-size: 2.2rem;
  }

  .hero-role {
    font-size: 1.15rem;
  }

  .contact-form {
    padding: var(--spacing-sm);
  }

  .contact-grid {
    gap: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .section-container {
    padding: 0 var(--spacing-sm);
  }

  .hero-name {
    font-size: 2rem;
  }

  .hero-role {
    font-size: 1.1rem;
  }

  .hero-description {
    font-size: 0.9rem;
  }

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

  .project-card-image {
    height: 120px;
  }

  .about-highlights {
    gap: var(--spacing-md);
  }

  .contact-info {
    text-align: center;
  }

  .contact-item {
    justify-content: center;
  }

  .contact-form {
    padding: var(--spacing-sm);
  }

  .footer-tagline {
    text-align: center;
  }

  .terminal-body {
    width: 240px;
    height: 220px;
    font-size: 0.52rem;
  }
}

/* ============================================================
   PROJECT DIALOG
============================================================ */
.project-dialog {
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 16px;
  padding: 0;
  max-width: 640px;
  width: calc(100% - 2rem);
  margin: auto;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6),
              0 0 40px rgba(124, 58, 237, 0.1);
  overflow: hidden;
}

.project-dialog[open] {
  animation: dialogFadeIn 0.3s ease;
}

@keyframes dialogFadeIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.project-dialog::backdrop {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(6px);
  animation: backdropFadeIn 0.3s ease;
}

@keyframes backdropFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Cursor override for dialog moved to effects.css (needs to beat .has-custom-cursor specificity) */

.project-dialog-inner {
  position: relative;
  display: flex;
  flex-direction: column;
}

.project-dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
  transition: background 0.2s, border-color 0.2s;
}

.project-dialog-close:hover {
  background: rgba(124, 58, 237, 0.65);
  border-color: rgba(124, 58, 237, 0.4);
}

.project-dialog-image {
  width: 100%;
  overflow: hidden;
  background: var(--color-bg);
}

.project-dialog-image img {
  width: 100%;
  display: block;
  object-fit: contain;
}

/* Divider between image and content */
.project-dialog-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-accent) 30%,
    var(--color-accent-light) 50%,
    var(--color-accent) 70%,
    transparent 100%
  );
  position: relative;
  overflow: visible;
  flex-shrink: 0;
}

.project-dialog-divider::after {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(124, 58, 237, 0.3) 30%,
    rgba(157, 95, 255, 0.4) 50%,
    rgba(124, 58, 237, 0.3) 70%,
    transparent 100%
  );
  filter: blur(4px);
}

.project-dialog-content {
  padding: 1.5rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.project-dialog-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.2);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin: 0;
}

.project-dialog-title--lab {
  color: #4ade80;
  background: rgba(74, 222, 128, 0.1);
  border-color: rgba(74, 222, 128, 0.25);
}

.project-dialog-title .tag-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.project-dialog-title .project-dialog-title-sep {
  width: 1px;
  height: 14px;
  background: currentColor;
  opacity: 0.3;
  flex-shrink: 0;
}

.project-dialog-title .project-dialog-title-name {
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.project-dialog-desc {
  color: var(--color-text-muted);
  line-height: 1.75;
  font-size: 0.9rem;
  margin: 0;
  max-width: 540px;
}

.project-dialog-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.project-dialog-btn {
  flex: 1 1 auto;
  justify-content: center;
}

.project-card[data-github] {
  cursor: pointer;
}

@media (max-width: 480px) {
  .project-dialog {
    width: calc(100% - 1rem);
    border-radius: 12px;
  }

  .project-dialog-content {
    padding: 1.25rem 1rem 1.5rem;
  }

  .project-dialog-title {
    font-size: 1.1rem;
  }

  .project-dialog-desc {
    font-size: 0.85rem;
  }
}