/* ============================================================
   PORTFOLIO.CSS — Paulo Maculuve
   Design: Midnight Precision | Acid Lime on Deep Black
   ============================================================ */

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

/* === TOKENS === */
:root {
  --bg:        #07070c;
  --bg-2:      #0e0e16;
  --bg-card:   #12121c;
  --border:    rgba(255,255,255,0.07);
  --border-a:  rgba(200,255,87,0.25);
  --text:      #f0f0f5;
  --text-2:    #8888a0;
  --text-3:    #45455a;
  --accent:    #c8ff57;
  --accent-d:  rgba(200,255,87,0.1);
  --glow:      0 0 36px rgba(200,255,87,0.2);
  --r:         16px;
  --r-sm:      10px;
  --r-pill:    999px;
  --ease:      cubic-bezier(.4,0,.2,1);
  --t:         all .3s var(--ease);
  --nav-h:     72px;
  --f-disp:    'Syne', sans-serif;
  --f-body:    'Plus Jakarta Sans', sans-serif;
}

[data-theme="light"] {
  --bg:       #f5f4f0;
  --bg-2:     #eae8e3;
  --bg-card:  #ffffff;
  --border:   rgba(0,0,0,0.08);
  --border-a: rgba(90,140,0,0.3);
  --text:     #0c0c12;
  --text-2:   #60607a;
  --text-3:   #a0a0b8;
  --accent:   #6ea800;
  --accent-d: rgba(110,168,0,0.1);
  --glow:     0 0 36px rgba(110,168,0,0.15);
}

/* === BASE === */
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  font-family: var(--f-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  transition: background .4s ease, color .4s ease;
}

/* Grain texture overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: .5;
}

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
::selection { background: var(--accent); color: #000; }

a { text-decoration: none; }

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

/* === CUSTOM CURSOR (desktop only) === */
.cursor,
.cursor-ring {
  position: fixed;
  pointer-events: none;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 10000;
  transition: width .2s, height .2s;
}
.cursor {
  width: 8px; height: 8px;
  background: var(--accent);
  mix-blend-mode: difference;
}
.cursor-ring {
  width: 34px; height: 34px;
  border: 1.5px solid rgba(200,255,87,.4);
  transition: all .14s ease;
  z-index: 9999;
}
@media (max-width: 768px) { .cursor, .cursor-ring { display: none; } }

/* === LAYOUT === */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  font-family: var(--f-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  border-radius: var(--r-pill);
  border: none;
  cursor: pointer;
  transition: var(--t);
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }

.btn-accent { background: var(--accent); color: #000; }
.btn-accent:hover { box-shadow: var(--glow); color: #000; }

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

.btn-full { width: 100%; justify-content: center; border-radius: var(--r-sm); font-size: 15px; padding: 15px 28px; }

/* === SECTION HEADER === */
.s-header {
  margin-bottom: 64px;
  display: flex;
  align-items: baseline;
  gap: 18px;
}
.s-num {
  font-family: var(--f-disp);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--accent);
}
.s-title {
  font-family: var(--f-disp);
  font-size: clamp(34px,5vw,52px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
  letter-spacing: -.03em;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: var(--t);
  display: flex;
  align-items: center;
}
.navbar.scrolled {
  background: rgba(7,7,12,.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .navbar.scrolled { background: rgba(245,244,240,.88); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-family: var(--f-disp);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.03em;
  transition: var(--t);
}
.nav-logo span { color: var(--accent); }
.nav-logo:hover { opacity: .8; color: var(--text); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  padding: 7px 15px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--r-pill);
  transition: var(--t);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); background: var(--accent-d); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Theme toggle */
.theme-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--t);
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-d); }
.theme-btn svg { width: 16px; height: 16px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--t);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: translateX(-6px); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--f-disp);
  font-size: clamp(32px,8vw,48px);
  font-weight: 800;
  color: var(--text);
  transition: var(--t);
}
.mobile-menu a:hover { color: var(--accent); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: calc(var(--nav-h) + 60px) 0 80px;
  overflow: hidden;
}

/* Dot grid */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(200,255,87,.14) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
}

/* Ambient glow */
.hero-glow {
  position: absolute;
  top: 30%; left: 50%;
  transform: translate(-50%,-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(200,255,87,.05) 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-d);
  border: 1px solid var(--border-a);
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 36px;
  animation: slideDown .7s var(--ease) both;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.4; transform:scale(.7); }
}
@keyframes slideDown {
  from { opacity:0; transform:translateY(-16px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes slideUp {
  from { opacity:0; transform:translateY(28px); }
  to   { opacity:1; transform:translateY(0); }
}

.hero-title {
  font-family: var(--f-disp);
  font-size: clamp(54px, 9vw, 116px);
  font-weight: 800;
  line-height: .95;
  letter-spacing: -.04em;
  margin-bottom: 28px;
  animation: slideUp .8s var(--ease) .1s both;
}
.hero-name { display: block; color: var(--text); }
.hero-sub {
  display: block;
  font-size: .54em;
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: -.02em;
  margin-top: 10px;
}
.hero-sub em { color: var(--accent); font-style: normal; }

.typed-cursor { color: var(--accent); animation: blink 1s step-start infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  max-width: 540px;
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 44px;
  animation: slideUp .8s var(--ease) .2s both;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 80px;
  animation: slideUp .8s var(--ease) .3s both;
}

.hero-stats {
  display: flex;
  gap: 52px;
  animation: slideUp .8s var(--ease) .4s both;
}
.stat-item { display: flex; flex-direction: column; gap: 3px; }
.stat-val {
  font-family: var(--f-disp);
  font-size: 40px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.stat-val sup { font-size: .5em; color: var(--accent); }
.stat-lbl {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { padding: 130px 0; }

.about-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 80px;
  align-items: start;
}

.about-img-wrap {
  position: relative;
}
.about-img-wrap::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--r) + 2px);
  background: linear-gradient(135deg, var(--accent), transparent 55%);
  z-index: -1;
  opacity: .55;
}
.about-img-wrap img {
  width: 100%;
  border-radius: var(--r);
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: grayscale(15%);
  transition: filter .4s ease;
}
.about-img-wrap:hover img { filter: grayscale(0); }

.about-eyebrow {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--accent);
  margin-bottom: 14px;
}

.about-heading {
  font-family: var(--f-disp);
  font-size: clamp(26px,3vw,38px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.03em;
  color: var(--text);
  margin-bottom: 20px;
}

.about-bio {
  font-size: 15.5px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 36px;
}

.about-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 40px;
}
.meta-item {
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.meta-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: 4px;
}
.meta-val {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
}
.meta-val a { color: var(--text); transition: var(--t); }
.meta-val a:hover { color: var(--accent); }

.about-foot {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.socials { display: flex; gap: 10px; }
.social-a {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: var(--t);
}
.social-a svg { width: 18px; height: 18px; }
.social-a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-d);
  transform: translateY(-3px);
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects {
  padding: 130px 0;
  background: var(--bg-2);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.proj-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  transition: var(--t);
  display: block;
  color: var(--text);
}
.proj-card:hover {
  border-color: var(--border-a);
  transform: translateY(-7px);
  box-shadow: 0 16px 48px rgba(0,0,0,.5);
  color: var(--text);
}

.proj-thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}
.proj-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s var(--ease);
}
.proj-card:hover .proj-thumb img { transform: scale(1.08); }

.proj-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,7,12,.7) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 18px;
  opacity: 0;
  transition: opacity .35s ease;
}
.proj-card:hover .proj-thumb-overlay { opacity: 1; }

.proj-visit {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 15px;
  background: var(--accent);
  color: #000;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--r-pill);
  transform: translateY(8px);
  transition: transform .3s ease .05s;
}
.proj-card:hover .proj-visit { transform: translateY(0); }

.proj-body { padding: 20px 22px 22px; }
.proj-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: 7px;
}
.proj-tag::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
}
.proj-name {
  font-family: var(--f-disp);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

/* Show more */
.proj-extra {
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 22px;
}
.proj-extra.open { display: grid; }

.proj-more-wrap { text-align: center; margin-top: 44px; }

/* ============================================================
   SKILLS
   ============================================================ */
.skills { padding: 130px 0; }

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.skills-sub-title {
  font-family: var(--f-disp);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 32px;
}

.skill-cat { margin-bottom: 28px; }
.skill-cat-lbl {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-3);
  margin-bottom: 12px;
}
.skill-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  transition: var(--t);
  cursor: default;
}
.chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-d);
}

/* Skill bars */
.skill-bar { margin-bottom: 30px; }
.skill-bar-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}
.skill-bar-name { font-size: 14.5px; font-weight: 600; color: var(--text); }
.skill-bar-pct  { font-size: 14px; font-weight: 700; color: var(--accent); font-family: var(--f-disp); }

.skill-track {
  height: 3px;
  background: var(--border);
  border-radius: 3px;
  overflow: visible;
  position: relative;
}
.skill-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  width: 0;
  transition: width 1.3s cubic-bezier(.4,0,.2,1);
  position: relative;
}
.skill-fill::after {
  content: '';
  position: absolute;
  right: -5px; top: 50%;
  transform: translateY(-50%);
  width: 11px; height: 11px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--accent-d);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: 130px 0;
  background: var(--bg-2);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-lede {
  font-size: 16.5px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 44px;
  max-width: 400px;
}

.contact-items { display: flex; flex-direction: column; gap: 22px; margin-bottom: 40px; }

.c-item { display: flex; align-items: flex-start; gap: 16px; }
.c-icon {
  width: 44px; height: 44px;
  background: var(--accent-d);
  border: 1px solid var(--border-a);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.c-icon svg { width: 20px; height: 20px; }
.c-lbl { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--text-3); margin-bottom: 3px; }
.c-val { font-size: 15px; font-weight: 500; color: var(--text); }
.c-val a { color: var(--text); transition: var(--t); }
.c-val a:hover { color: var(--accent); }

/* Form */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 38px;
}

.form-row { margin-bottom: 22px; }

.form-row label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--text-2);
  margin-bottom: 8px;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 15px;
  outline: none;
  transition: var(--t);
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-d);
}
.form-row input::placeholder,
.form-row textarea::placeholder { color: var(--text-3); }
.form-row textarea { min-height: 130px; }

.form-note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-copy { font-size: 14px; color: var(--text-3); }
.footer-copy strong { color: var(--text-2); }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px; height: 46px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 50%;
  font-size: 19px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(14px);
  transition: var(--t);
  z-index: 500;
  box-shadow: 0 4px 18px rgba(200,255,87,.28);
}
.to-top.show { opacity: 1; transform: translateY(0); }
.to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(200,255,87,.4); }
.to-top svg { width: 20px; height: 20px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .projects-grid,
  .proj-extra.open { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-img-wrap { max-width: 380px; }
  .skills-grid { grid-template-columns: 1fr; gap: 56px; }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-right .btn { display: none; }
  .hamburger { display: flex; }

  .projects-grid,
  .proj-extra.open { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-meta { grid-template-columns: 1fr; }
  .hero-stats { gap: 32px; flex-wrap: wrap; }
  .stat-val { font-size: 32px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: fit-content; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .s-header { flex-direction: column; gap: 6px; }
}

@media (max-width: 480px) {
  .form-card { padding: 24px; }
  .hero-stats { gap: 24px; }
}