/* =====================================================
   JOSÉ PAULO — PORTFOLIO
   Palette: Deep Navy + Electric Indigo + Warm White
   Fonts: Outfit (display) + JetBrains Mono (code)
   ===================================================== */

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

:root {
  /* ── Core Palette ── */
  --bg:          #0d0f14;       /* deep navy-black       */
  --bg2:         #13151c;       /* surface 1             */
  --bg3:         #181b24;       /* surface 2             */
  --border:      rgba(255,255,255,0.07);
  --border-h:    rgba(255,255,255,0.14);

  /* ── Text ── */
  --txt:         #eef0f6;       /* near-white, warm      */
  --txt-2:       #8890a4;       /* secondary             */
  --txt-3:       #3d4255;       /* faint                 */

  /* ── Accent (Electric Indigo) ── */
  --accent:      #6C63FF;
  --accent-l:    #a89cff;       /* lighter tint          */
  --accent-dim:  rgba(108,99,255,0.12);
  --accent-glow: rgba(108,99,255,0.28);

  /* ── Secondary accent (Teal) ── */
  --teal:        #3ecfcf;
  --teal-dim:    rgba(62,207,207,0.1);

  /* ── Fonts ── */
  --f-display:   'Outfit', sans-serif;
  --f-mono:      'JetBrains Mono', monospace;

  /* ── Spacing ── */
  --pad: 56px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--f-display);
  font-size: 15px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ══════════════════════════
   BACKGROUND SYSTEM
══════════════════════════ */
.bg-wrap {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

/* Dot grid */
.bg-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 100% 100% at 50% 50%, black 30%, transparent 90%);
}

/* Ambient orbs */
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .55;
}
.orb-1 {
  width: 560px; height: 560px;
  top: -160px; left: -120px;
  background: radial-gradient(circle, rgba(108,99,255,0.18) 0%, transparent 70%);
  animation: drift1 18s ease-in-out infinite alternate;
}
.orb-2 {
  width: 480px; height: 480px;
  bottom: 10%; right: -100px;
  background: radial-gradient(circle, rgba(62,207,207,0.12) 0%, transparent 70%);
  animation: drift2 22s ease-in-out infinite alternate;
}
.orb-3 {
  width: 360px; height: 360px;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  background: radial-gradient(circle, rgba(108,99,255,0.06) 0%, transparent 70%);
  animation: drift3 28s ease-in-out infinite alternate;
}
@keyframes drift1 { from { transform: translate(0,0);   } to { transform: translate(40px,60px);  } }
@keyframes drift2 { from { transform: translate(0,0);   } to { transform: translate(-50px,-40px); } }
@keyframes drift3 { from { transform: translate(-50%,-50%); } to { transform: translate(-48%,-52%); } }

/* Subtle lines */
.bg-line { position: absolute; background: rgba(255,255,255,0.03); }
.line-h  { left: 0; right: 0; height: 1px; }
.line-v  { top: 0; bottom: 0; width: 1px; }
.line-h1 { top: 33%;  }
.line-h2 { top: 66%;  }
.line-v1 { left: 25%; }
.line-v2 { left: 75%; }

/* ══════════════════════════
   HEADER
══════════════════════════ */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--pad);
  background: rgba(13,15,20,0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  object-fit: cover;
}

.logo-name {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--txt);
  letter-spacing: -.3px;
}

.nav { display: flex; gap: 32px; }

.nav-link {
  color: var(--txt-2);
  text-decoration: none;
  font-size: 18.5px;
  font-weight: 500;
  letter-spacing: .02em;
  transition: color .2s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width .25s ease;
}
.nav-link:hover { color: var(--txt); }
.nav-link:hover::after { width: 100%; }

.header-right {
  display: flex; align-items: center; gap: 7px;
  font-size: 15px; color: var(--txt-2);
  font-family: var(--f-mono);
}

/* Theme toggle button */
.theme-btn {
  background: transparent;
  border: 1px solid var(--border-h);
  border-radius: 8px;
  padding: 6px 8px;
  cursor: pointer;
  color: var(--txt-2);
  display: flex;
  align-items: center;
  transition: all .2s;
  margin-right: 8px;
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent-l); }
.theme-btn .icon-sun  { display: none; }
body.light .theme-btn .icon-moon { display: none; }
body.light .theme-btn .icon-sun  { display: block; }

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 0 rgba(74,222,128,.5);
  animation: statusPulse 2.5s infinite;
}
@keyframes statusPulse {
  0%  { box-shadow: 0 0 0 0 rgba(74,222,128,.5); }
  70% { box-shadow: 0 0 0 7px transparent; }
  100%{ box-shadow: 0 0 0 0 transparent; }
}

/* ══════════════════════════
   HERO
══════════════════════════ */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 180px var(--pad) 60px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 32px;
  width: 100%;
  max-width: 720px;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.badge {
  background: var(--accent-dim);
  color: var(--accent-l);
  border: 1px solid rgba(108,99,255,0.25);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 17px;
  font-weight: 500;
  font-family: var(--f-mono);
  letter-spacing: .06em;
}

.badge-sep { color: var(--txt-3); }

.hero-location {
  font-size: 20px;
  color: var(--txt-2);
  font-family: var(--f-mono);
}

.hero-title {
  font-family: var(--f-display);
  font-size: clamp(44px, 6.5vw, 88px);
  font-weight: 800;
  line-height: .92;
  letter-spacing: -3px;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-title span { display: block; }
.accent { color: var(--accent); }

.hero-desc {
  font-size: 18px;
  line-height: 1.75;
  color: var(--txt-2);
  margin-bottom: 0;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  font-family: var(--f-display);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
  transition: all .2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  background: #7b72ff;
  transform: translateY(-1px);
  box-shadow: 0 8px 28px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--txt-2);
  border: 1px solid var(--border-h);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-l);
}

.btn-cv {
  background: var(--teal-dim);
  color: var(--teal);
  border: 1px solid rgba(62,207,207,0.3);
}
.btn-cv:hover {
  background: rgba(62,207,207,0.18);
  border-color: var(--teal);
  transform: translateY(-1px);
}

.avatar-wrap {
  position: relative;
  width: 290px;
  height: 290px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-img {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  position: relative;
  z-index: 2;
  border: 3px solid rgba(108,99,255,0.5);
  box-shadow: 0 0 40px rgba(108,99,255,0.2), 0 0 0 6px rgba(108,99,255,0.08);
}

.avatar-ring-outer {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(108,99,255,0.2);
  animation: spinRing 14s linear infinite;
}
.avatar-ring-outer::after {
  content: '';
  position: absolute;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  top: 50%; left: -4px;
  transform: translateY(-50%);
  box-shadow: 0 0 12px var(--accent-glow);
}

.avatar-ring-inner {
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  border: 1px dashed rgba(62,207,207,0.2);
  animation: spinRing 22s linear infinite reverse;
}
.avatar-ring-inner::after {
  content: '';
  position: absolute;
  width: 6px; height: 6px;
  background: var(--teal);
  border-radius: 50%;
  bottom: -3px; left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 10px rgba(62,207,207,.4);
}

@keyframes spinRing {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.avatar-glow {
  position: absolute;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(20px);
  z-index: 0;
  opacity: .7;
  animation: glowPulse 3s ease-in-out infinite alternate;
}
@keyframes glowPulse {
  from { opacity: .4; transform: scale(.95); }
  to   { opacity: .8; transform: scale(1.05); }
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 36px; left: var(--pad);
}
.scroll-bar {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollAnim 1.8s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%  { transform: scaleY(0) translateY(0); transform-origin: top; opacity: 1; }
  50% { transform: scaleY(1) translateY(0); transform-origin: top; opacity: 1; }
  100%{ transform: scaleY(1) translateY(40px); opacity: 0; }
}

/* ══════════════════════════
   SECTIONS COMMON
══════════════════════════ */
.section {
  position: relative;
  z-index: 1;
  padding: 96px var(--pad);
  border-top: 1px solid var(--border);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 52px;
}

.section-num {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .15em;
  visibility: hidden;
}

.section-title {
  font-family: var(--f-display);
  font-size: clamp(30px, 3.5vw, 46px);
  font-weight: 700;
  letter-spacing: -1.5px;
  color: var(--txt);
}

/* ══════════════════════════
   STACK
══════════════════════════ */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px 36px;
}

.stack-group-title {
  font-size: 14px;
  letter-spacing: .14em;
  color: var(--teal);
  margin-bottom: 14px;
  font-weight: 500;
  text-transform: uppercase;
  font-family: var(--f-mono);
}

.stack-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
  padding: 5px 13px;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--txt-2);
  font-size: 15.5px;
  font-weight: 400;
  transition: all .2s;
}
.tag:hover { border-color: var(--border-h); color: var(--txt); }

.tag.tag-main {
  border-color: rgba(108,99,255,0.25);
  color: var(--accent-l);
  background: var(--accent-dim);
}
.tag.tag-main:hover { background: rgba(108,99,255,0.2); }

/* ══════════════════════════
   CAROUSEL
══════════════════════════ */
.carousel-outer {
  position: relative;
  overflow: hidden;
  margin-bottom: 44px;
  padding: 14px 0;
}

.carousel-mask {
  overflow: visible;
}

.carousel-track {
  display: flex;
  gap: 20px;
  width: max-content;
  /* JS sets animation */
}

/* Pause on hover */
.carousel-track:hover { animation-play-state: paused !important; }

/* Edge fade masks */
.carousel-fade-l,
.carousel-fade-r {
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  pointer-events: none;
  z-index: 2;
}
.carousel-fade-l {
  left: 0;
  background: linear-gradient(to right, var(--bg), transparent);
}
.carousel-fade-r {
  right: 0;
  background: linear-gradient(to left, var(--bg), transparent);
}

/* ── Project Cards ── */
.pcard {
  flex-shrink: 0;
  width: 280px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 22px 20px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .25s, transform .25s, box-shadow .25s;
  cursor: pointer;
}

.pcard:hover {
  border-color: rgba(108,99,255,0.4);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(108,99,255,0.12);
}

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

.pcard-num {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--txt-3);
  letter-spacing: .1em;
}

.pcard-arrow {
  font-size: 16px;
  color: var(--txt-3);
  transition: color .2s, transform .2s;
}
.pcard:hover .pcard-arrow {
  color: var(--accent-l);
  transform: translate(2px,-2px);
}

.pcard-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--txt);
  letter-spacing: -.3px;
  line-height: 1.3;
}

.pcard-desc {
  font-size: 17.5px;
  line-height: 1.6;
  color: var(--txt-2);
  flex: 1;
}

.pcard-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.ptag {
  font-size: 13px;
  font-family: var(--f-mono);
  letter-spacing: .06em;
  padding: 3px 9px;
  border-radius: 5px;
  border: 1px solid rgba(108,99,255,0.2);
  color: var(--accent-l);
  background: var(--accent-dim);
}

.projects-footer {
  display: flex;
  justify-content: center;
}

/* ══════════════════════════
   CONTACT
══════════════════════════ */
.contact-content { max-width: 560px; }

.contact-headline {
  font-family: var(--f-display);
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 10px;
}

.contact-sub {
  color: var(--txt-2);
  font-size: 18px;
  margin-bottom: 36px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  text-decoration: none;
  color: var(--txt-2);
  font-size: 17px;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: all .2s;
}
.contact-link:hover {
  color: var(--txt);
  background: var(--bg2);
  border-color: var(--border);
  padding-left: 24px;
}

.cl-icon {
  color: var(--accent);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* ══════════════════════════
   FOOTER
══════════════════════════ */
.footer {
  position: relative;
  z-index: 1;
  padding: 28px var(--pad);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text, .footer-tag {
  font-size: 15px;
  color: var(--txt-3);
  font-family: var(--f-mono);
}

/* ══════════════════════════
   ANIMATIONS
══════════════════════════ */
.reveal-line,
.reveal-fade,
.reveal-up {
  opacity: 0;
}

.reveal-line {
  transform: translateY(32px);
  transition: opacity .65s ease, transform .65s cubic-bezier(.22,.68,0,1.2);
}
.reveal-fade {
  transition: opacity .7s ease .1s;
}
.reveal-up {
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s cubic-bezier(.22,.68,0,1.2);
}

.delay-1 { transition-delay: .1s !important; }
.delay-2 { transition-delay: .2s !important; }
.delay-3 { transition-delay: .3s !important; }

.visible {
  opacity: 1 !important;
  transform: translate(0,0) !important;
}

/* ══════════════════════════
   LIGHT THEME
══════════════════════════ */
body.light {
  --bg:          #f4f6ff;
  --bg2:         #eaedf9;
  --bg3:         #e0e4f4;
  --border:      rgba(108,99,255,0.12);
  --border-h:    rgba(108,99,255,0.28);
  --txt:         #0f1020;
  --txt-2:       #4a5278;
  --txt-3:       #9099c4;
  --accent-dim:  rgba(108,99,255,0.1);
  --accent-glow: rgba(108,99,255,0.2);
  --teal-dim:    rgba(62,207,207,0.1);
}

body.light .header {
  background: rgba(244,246,255,0.88);
  border-bottom-color: rgba(108,99,255,0.12);
}

body.light .bg-dots {
  background-image: radial-gradient(circle, rgba(108,99,255,0.1) 1px, transparent 1px);
}

body.light .bg-line { background: rgba(108,99,255,0.06); }

body.light .orb-1 { opacity: .3; }
body.light .orb-2 { opacity: .25; }
body.light .orb-3 { opacity: .2; }

body.light ::-webkit-scrollbar-track { background: var(--bg2); }
body.light ::-webkit-scrollbar-thumb { background: rgba(108,99,255,0.25); }

/* ══════════════════════════
   SCROLLBAR
══════════════════════════ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(108,99,255,0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(108,99,255,0.6); }

/* ══════════════════════════
   RESPONSIVE
══════════════════════════ */
@media (max-width: 860px) {
  :root { --pad: 24px; }

  .nav { display: none; }

  .hero-content {
    gap: 28px;
    padding-top: 20px;
  }

  .avatar-wrap { width: 210px; height: 210px; }
  .avatar-img  { width: 160px; height: 160px; }

  .hero-title { font-size: clamp(40px, 10vw, 60px); }

  .footer { flex-direction: column; gap: 6px; text-align: center; }

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

@media (max-width: 480px) {
  .stack-grid { grid-template-columns: 1fr; }
}