/* ═══════════════════════════════════════════════════
   VARIABLES
═══════════════════════════════════════════════════ */
:root {
  --bg:             #F5F2EC;
  --surface:        #FFFFFF;
  --accent:         #BF1F44;
  --accent-pale:    #F5D2DA;
  --sage:           #BCDDD3;
  --sage-deep:      #2E6B5A;
  --lavender:       #D2CCE8;
  --lavender-deep:  #4A3E82;
  --blush:          #F2C4CC;
  --blush-deep:     #8A2038;
  --text:           #1A1824;
  --text-inv:       #F5F2EC;
  --muted:          #6E6B80;
  --border:         #E0D9CE;
  --surface-alt:    #EDE9E2;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --max-w:        1100px;
  --nav-h:        68px;

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

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

/* ═══════════════════════════════════════════════════
   TYPOGRAPHY UTILITIES
═══════════════════════════════════════════════════ */
.label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* ═══════════════════════════════════════════════════
   NAV
═══════════════════════════════════════════════════ */
#site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 200;
  transition: background 0.35s var(--ease-out), border-color 0.35s;
  border-bottom: 1px solid transparent;
}

#site-header.scrolled {
  background: rgba(245, 242, 236, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: var(--nav-h);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  font-style: italic;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-right: auto;
  transition: color 0.2s;
}
.logo:hover { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  position: relative;
  transition: color 0.2s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.25s var(--ease-out);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

#lang-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.3rem 0.8rem;
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

#lang-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ═══════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════ */
#home {
  min-height: 100svh;
  padding-top: var(--nav-h);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 2rem 2rem;
  display: grid;
  grid-template-columns: 58% 42%;
  align-items: center;
  gap: 2rem;
  width: 100%;
}

.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 9vw, 7.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text);
}

.hero-name em {
  font-style: italic;
  color: var(--accent);
}

.hero-tagline {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--muted);
  max-width: 42ch;
  line-height: 1.65;
}

.btn-primary {
  display: inline-block;
  background: var(--text);
  color: var(--text-inv);
  padding: 0.85rem 2rem;
  border-radius: 3px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background 0.25s, transform 0.2s var(--ease-out);
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

/* Decorative blocks (right side of hero) */
.hero-deco {
  position: relative;
  height: 420px;
}

.deco-sage,
.deco-lavender,
.deco-accent {
  position: absolute;
  border-radius: 6px;
  transition: transform 0.3s ease;
}

.deco-sage:hover,
.deco-lavender:hover,
.deco-accent:hover {
  transform: translate(-6px, -6px);
}

.deco-sage {
  top: 0;
  right: 0;
  width: 55%;
  height: 72%;
  background: var(--sage);
}

.deco-lavender {
  top: 15%;
  right: 42%;
  width: 45%;
  height: 55%;
  background: var(--lavender);
}

.deco-accent {
  bottom: 8%;
  right: 8%;
  width: 28%;
  height: 28%;
  background: var(--accent);
}

/* Scroll hint */
.scroll-hint {
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 2rem;
  animation: bob 2.4s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(5px); }
}

/* ═══════════════════════════════════════════════════
   SECTION SHARED
═══════════════════════════════════════════════════ */
section {
  position: relative;
  padding: 8rem 2rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

/* Large watermark section number */
.section-num {
  position: absolute;
  top: 3.5rem;
  left: 0;
  font-family: var(--font-display);
  font-size: clamp(6rem, 14vw, 11rem);
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  user-select: none;
  pointer-events: none;
  z-index: 0;
}

section > *:not(.section-num) { position: relative; z-index: 1; }

/* ═══════════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════════ */
#about {
  border-top: 1px solid var(--border);
}

.about-layout {
  display: grid;
  grid-template-columns: 30% 1fr;
  gap: 5rem;
  align-items: start;
  padding-top: 2rem;
}

.about-heading h2 { margin-top: 0.25rem; }

.about-body p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 52ch;
  margin-bottom: 2.5rem;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-left: 2px solid var(--border);
  padding-left: 1.25rem;
}

.skills-list li {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.02em;
}

.about-body .awards {
  margin-top: 2rem;
}

.about-photo {
  width: 100%;
  max-width: 280px;
  margin-top: 2rem;
  border-radius: 4px;
  display: block;
  box-shadow: 0 8px 40px rgba(26, 24, 36, 0.25);
}

/* ═══════════════════════════════════════════════════
   PROJECTS
═══════════════════════════════════════════════════ */
#projects {
  border-top: 1px solid var(--border);
}

.projects-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 2rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

/* Filter bar */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.45rem 1.1rem;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.filter-btn:hover {
  border-color: var(--text);
  color: var(--text);
}

.filter-btn.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--text-inv);
}

/* Projects grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* Project card */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition:
    transform  0.28s var(--ease-out),
    box-shadow 0.28s var(--ease-out),
    opacity    0.25s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(26, 24, 36, 0.08);
}

.card-tag {
  display: inline-block;
  padding: 0.22rem 0.6rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  align-self: flex-start;
}

[data-category="digital"] .card-tag {
  background: var(--sage);
  color: var(--sage-deep);
}

[data-category="assessoria"] .card-tag {
  background: var(--lavender);
  color: var(--lavender-deep);
}

[data-category="dev"] .card-tag {
  background: var(--blush);
  color: var(--blush-deep);
}

[data-category="redacao"] .card-tag {
  background: var(--surface-alt);
  color: var(--muted);
}

.project-card h3 { color: var(--text); }

.project-card p {
  font-size: 0.9rem;
  color: var(--muted);
  flex: 1;
  line-height: 1.6;
}

.card-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.03em;
  margin-top: 0.5rem;
  transition: opacity 0.2s;
}
.card-link:hover { opacity: 0.7; }

/* Filter visibility states */
.card-hiding {
  opacity: 0;
  transform: scale(0.97);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

.card-hidden { display: none; }

/* ═══════════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════════ */
#contact {
  border-top: 1px solid var(--border);
}

.contact-layout {
  display: grid;
  grid-template-columns: 30% 1fr;
  gap: 5rem;
  align-items: start;
  padding-top: 2rem;
}

.contact-heading h2 { margin-top: 0.25rem; }

.contact-body p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 42ch;
  margin-bottom: 1rem;
}

.contact-email {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.2vw, 1.55rem);
  font-weight: 700;
  color: var(--accent);
  margin: 1.5rem 0 2rem;
  transition: opacity 0.2s;
  word-break: break-all;
}
.contact-email:hover { opacity: 0.65; }

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-links a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--muted);
  text-transform: uppercase;
  transition: color 0.2s;
}
.social-links a:hover { color: var(--text); }

/* ═══════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════ */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--muted);
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════
   REVEAL ANIMATIONS
═══════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity   0.65s var(--ease-out),
    transform 0.65s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger siblings within the same parent */
.about-body.reveal    { transition-delay: 0.15s; }
.contact-body.reveal  { transition-delay: 0.15s; }

.projects-grid .project-card:nth-child(2) { transition-delay: 0.08s; }
.projects-grid .project-card:nth-child(3) { transition-delay: 0.16s; }
.projects-grid .project-card:nth-child(4) { transition-delay: 0.08s; }
.projects-grid .project-card:nth-child(5) { transition-delay: 0.16s; }
.projects-grid .project-card:nth-child(6) { transition-delay: 0.24s; }

/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero-layout {
    grid-template-columns: 1fr;
    text-align: left;
    padding-top: 3rem;
  }

  .hero-deco { display: none; }

  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-heading,
  .contact-heading { border-bottom: 1px solid var(--border); padding-bottom: 1.5rem; }

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

  .projects-header { flex-direction: column; align-items: flex-start; }

  .section-num { font-size: clamp(5rem, 18vw, 8rem); }
}

@media (max-width: 600px) {
  section { padding: 5rem 1.25rem; }

  .nav-inner { padding: 0 1.25rem; }
  .nav-links { display: none; }

  .hero-name { font-size: clamp(3.5rem, 15vw, 5rem); }

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

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

  .about-photo {
  max-width: 200px;
  }

  .section-num {
  font-size: 5rem;
  left: 1.25rem;
  }
}