/* ========== VARIÁVEIS ========== */
:root {
  --neon: #00e5ff;
  --neon-dim: rgba(0, 229, 255, 0.15);
  --neon-glow: 0 0 20px rgba(0, 229, 255, 0.5), 0 0 60px rgba(0, 229, 255, 0.2);
  --bg: #050810;
  --bg-2: #080d18;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(0, 229, 255, 0.05);
  --border: rgba(255, 255, 255, 0.07);
  --border-neon: rgba(0, 229, 255, 0.3);
  --text: #e8eaf0;
  --text-muted: #6b7280;
  --text-dim: #9ca3af;
  --white: #ffffff;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* LIGHT THEME */
html[data-theme="light"] {
  --bg: #f0f4ff;
  --bg-2: #e8eeff;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-card-hover: rgba(0, 229, 255, 0.08);
  --border: rgba(0, 0, 0, 0.08);
  --border-neon: rgba(0, 150, 255, 0.4);
  --text: #0f172a;
  --text-muted: #64748b;
  --text-dim: #475569;
  --neon: #0066ff;
  --neon-dim: rgba(0, 102, 255, 0.1);
  --neon-glow: 0 0 20px rgba(0, 102, 255, 0.3);
}

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

html { scroll-behavior: smooth; }

/* ========== ACESSIBILIDADE ========== */
.skip-link {
  position: absolute;
  left: 8px;
  top: -60px;
  background: var(--neon);
  color: #050810;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  z-index: 10000;
  transition: top 0.3s ease;
}
.skip-link:focus { top: 8px; }

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

/* ========== SCROLLBAR ========== */
/* Firefox */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--neon) var(--bg-2);
}
/* WebKit / Chromium */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-2);
}
::-webkit-scrollbar-thumb {
  background: var(--neon);
  border-radius: 8px;
  box-shadow: 0 0 6px var(--neon-dim);
}
::-webkit-scrollbar-thumb:hover {
  box-shadow: var(--neon-glow);
}
::-webkit-scrollbar-corner {
  background: var(--bg-2);
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section { padding: 7rem 0; }
.section-dark { background: var(--bg-2); }

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

/* ========== PRELOADER ========== */
body.preload { overflow: hidden; }

.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
.preloader.loaded {
  opacity: 0;
  visibility: hidden;
}
.preloader-logo {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--white);
  animation: fadeIn 0.5s var(--ease) both;
}
html[data-theme="light"] .preloader-logo { color: var(--text); }
.preloader-logo .logo-bracket { color: var(--neon); text-shadow: var(--neon-glow); }

.preloader-bar {
  position: relative;
  width: 180px;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.preloader-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: var(--neon);
  box-shadow: var(--neon-glow);
  border-radius: 2px;
  animation: preloaderSlide 1.1s var(--ease) infinite;
}
@keyframes preloaderSlide {
  0% { left: -40%; }
  100% { left: 100%; }
}
.preloader-text {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.preloader-text::before {
  content: '_';
  color: var(--neon);
  margin-right: 0.35rem;
  animation: blink 1s step-end infinite;
}
@media (prefers-reduced-motion: reduce) {
  .preloader-bar::after,
  .preloader-text::before { animation: none; }
}

/* ========== CUSTOM CURSOR ========== */
.cursor {
  width: 10px;
  height: 10px;
  background: var(--neon);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease;
  box-shadow: var(--neon-glow);
}
.cursor-follower {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--neon);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: all 0.15s var(--ease);
  opacity: 0.5;
}
@media (max-width: 900px), (pointer: coarse) {
  .cursor, .cursor-follower { display: none; }
}

/* ========== HEADER ========== */
header {
  position: fixed;
  top: 0; width: 100%;
  z-index: 1000;
  padding: 1.2rem 0;
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(20px);
  transition: background 0.4s ease, padding 0.4s ease, border-color 0.4s ease;
}
header.scrolled {
  background: rgba(5, 8, 16, 0.85);
  border-color: var(--border);
  padding: 0.9rem 0;
}
html[data-theme="light"] header.scrolled {
  background: rgba(240, 244, 255, 0.85);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
}
html[data-theme="light"] .logo { color: var(--text); }
.logo-bracket { color: var(--neon); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  transition: color 0.3s ease;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--neon);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover,
.nav-links a.active { color: var(--neon); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

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

.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
}
.theme-toggle:hover {
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: 0 0 15px var(--neon-dim);
}

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}
.menu-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
  border-radius: 2px;
}
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--neon);
  color: #050810;
  font-weight: 600;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--neon-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--neon);
  color: var(--neon);
  transform: translateY(-3px);
}
.full-width { width: 100%; justify-content: center; }

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
  pointer-events: none;
}
html[data-theme="light"] .hero-grid {
  background-image:
    linear-gradient(rgba(0,102,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,102,255,0.06) 1px, transparent 1px);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

#particles-js {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,229,255,0.12) 0%, transparent 70%);
  top: -100px; right: -100px;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,80,255,0.1) 0%, transparent 70%);
  bottom: 0; left: -100px;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border-neon);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--neon);
  margin-bottom: 1.5rem;
  background: var(--neon-dim);
  animation: fadeInUp 0.6s var(--ease) both;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--neon);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon);
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-name {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 0.9;
  margin-bottom: 1.2rem;
  overflow: hidden;
}
.name-line {
  display: block;
  font-size: clamp(3.5rem, 7vw, 6rem);
  letter-spacing: -3px;
  color: var(--white);
  animation: slideUp 0.7s var(--ease) both;
}
html[data-theme="light"] .name-line { color: var(--text); }
.name-line.accent {
  color: var(--neon);
  text-shadow: var(--neon-glow);
  animation-delay: 0.1s;
}

.hero-role {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  min-height: 1.8rem;
  animation: fadeInUp 0.7s var(--ease) 0.2s both;
}
.role-prefix { color: var(--neon); margin-right: 0.2rem; }
.cursor-blink {
  color: var(--neon);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 440px;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.7s var(--ease) 0.3s both;
}
.hero-desc em { color: var(--neon); font-style: normal; }

.hero-btns {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  animation: fadeInUp 0.7s var(--ease) 0.4s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  animation: fadeInUp 0.7s var(--ease) 0.5s both;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--neon);
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* HERO PHOTO */
.hero-photo {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1s var(--ease) 0.3s both;
}
.photo-frame {
  position: relative;
  width: 340px;
  height: 420px;
}
.photo-frame img,
.photo-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: 12px;
  display: block;
}
.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 12px;
  display: block;
  position: relative;
  z-index: 1;
}
.photo-placeholder {
  background: var(--bg-card);
  border: 2px dashed var(--border-neon);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.photo-placeholder i { font-size: 3rem; color: var(--border-neon); }

.photo-glow {
  position: absolute;
  bottom: -30px; left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 80px;
  background: var(--neon);
  filter: blur(40px);
  opacity: 0.2;
  border-radius: 50%;
}
.photo-border-anim {
  position: absolute;
  inset: -3px;
  border-radius: 14px;
  background: linear-gradient(90deg, var(--neon), transparent, var(--neon));
  opacity: 0.4;
  animation: rotateBorder 4s linear infinite;
  mask-image: linear-gradient(black, black);
  -webkit-mask: linear-gradient(black, black);
  z-index: -1;
}
@keyframes rotateBorder {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Floating tags */
.float-tag {
  position: absolute;
  background: rgba(5, 8, 16, 0.9);
  border: 1px solid var(--border-neon);
  color: var(--neon);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  backdrop-filter: blur(10px);
  animation: float 3s ease-in-out infinite;
}
html[data-theme="light"] .float-tag {
  background: rgba(240, 244, 255, 0.9);
}
.tag-1 { top: 8%; right: -28px; animation-delay: 0s; }
.tag-2 { bottom: 12%; right: -28px; animation-delay: 0.8s; }
.tag-3 { bottom: 8%; left: -28px; animation-delay: 1.6s; }
.tag-4 { top: 12%; left: -28px; animation-delay: 2.4s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  animation: fadeIn 1s ease 1.5s both;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--neon), transparent);
  animation: scrollAnim 1.5s ease infinite;
}
@keyframes scrollAnim {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ========== SECTION HEADERS ========== */
.section-header {
  margin-bottom: 4rem;
}
.section-tag {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--neon);
  letter-spacing: 2px;
  display: block;
  margin-bottom: 0.5rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
}
.neon {
  color: var(--neon);
  text-shadow: var(--neon-glow);
}

/* ========== O QUE EU ENTREGO ========== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .skills-grid { grid-template-columns: 1fr; }
  /* no celular mostra só os 3 cards principais, empilhados */
  .skill-card--desktop-only { display: none; }
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--neon);
  transition: height 0.3s ease;
}
.skill-card:hover {
  border-color: var(--border-neon);
  background: var(--bg-card-hover);
  transform: translateY(-5px);
}
.skill-card:hover::before { height: 100%; }
.skill-icon {
  font-size: 2rem;
  color: var(--neon);
  margin-bottom: 1rem;
}
.skill-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.skill-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========== PROJECTS ========== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}
.projects-grid-all {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.4s var(--ease);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  border-color: var(--border-neon);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 229, 255, 0.08);
}
.project-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.project-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.project-card:hover .project-image img {
  transform: scale(1.08);
}
.project-image-overlay {
  display: none;
}
.project-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.project-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.project-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}
.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}
.tech-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
  background: var(--neon-dim);
  color: var(--neon);
  border: 1px solid var(--border-neon);
  font-weight: 500;
}
.project-links {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
}
.project-link {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.project-link:hover {
  border-color: var(--neon);
  color: var(--neon);
  background: var(--neon-dim);
}
.project-link.primary {
  background: var(--neon);
  color: #050810;
  border-color: var(--neon);
  font-weight: 600;
}
.project-link.primary:hover {
  box-shadow: var(--neon-glow);
  color: #050810;
  background: var(--neon);
}

/* ========== CONTACT ========== */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: start;
}
.contact-intro {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}
.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all 0.3s ease;
  color: var(--text);
}
.contact-item:hover {
  border-color: var(--border-neon);
  background: var(--bg-card-hover);
}
.contact-icon {
  width: 44px; height: 44px;
  background: var(--neon-dim);
  border: 1px solid var(--border-neon);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--neon);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.15rem;
}
.contact-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}
.social-row {
  display: flex;
  gap: 0.75rem;
}
.social-link {
  width: 44px; height: 44px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: all 0.3s ease;
}
.social-link:hover {
  border-color: var(--neon);
  color: var(--neon);
  background: var(--neon-dim);
  transform: translateY(-3px);
}
.footer-social {
  gap: 0.5rem;
}
.footer-social .social-link {
  width: 34px;
  height: 34px;
  font-size: 0.85rem;
}

/* Contact form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group { margin-bottom: 1.2rem; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
}
html[data-theme="light"] .form-control {
  background: rgba(255, 255, 255, 0.6);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus {
  border-color: var(--neon);
  box-shadow: 0 0 0 3px var(--neon-dim);
}
textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

/* ========== FOOTER ========== */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}
.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}
.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.3s ease;
}
.footer-links a:hover { color: var(--neon); }
.copyright {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(60px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .hero-layout {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-desc { margin: 0 auto 2.5rem; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-badge { justify-content: center; }
  .hero-photo { order: -1; }
  .photo-frame { width: 260px; height: 320px; }
  .tag-1, .tag-2, .tag-3, .tag-4 { display: none; }
  .contact-container { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 75%;
    max-width: 300px;
    height: 100vh;
    background: rgba(5, 8, 16, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    gap: 2rem;
    transition: right 0.4s var(--ease);
    border-left: 1px solid var(--border);
  }
  html[data-theme="light"] .nav-links {
    background: rgba(240, 244, 255, 0.97);
  }
  .nav-links.show { right: 0; }
  .nav-links a { font-size: 1.1rem; }
  section { padding: 5rem 0; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .projects-grid { grid-template-columns: 1fr; }
}

/* ========== ABOUT ========== */
.section-about {
  padding: 7rem 0;
}
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: center;
}
.about-divider {
  width: 60px;
  height: 3px;
  background: var(--neon);
  margin-top: 2rem;
  box-shadow: var(--neon-glow);
}
.about-quote {
  border: none;
  padding: 0;
  margin: 0 0 2.5rem;
}
.about-quote p {
  font-size: 1.15rem;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: 1.2rem;
  position: relative;
}
.about-quote p:first-child {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--white);
}
html[data-theme="light"] .about-quote p:first-child {
  color: var(--text);
}
.about-quote p:first-child::before {
  content: '"';
  font-size: 5rem;
  color: var(--neon);
  opacity: 0.2;
  position: absolute;
  top: -2rem;
  left: -1rem;
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
}
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.about-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--text-dim);
  transition: all 0.3s ease;
}
.about-tag:hover {
  border-color: var(--border-neon);
  color: var(--neon);
  background: var(--neon-dim);
}
.about-tag i {
  color: var(--neon);
  font-size: 0.8rem;
}

@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .about-tags {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
}