/* ═══════════════════════════════════════════
   CSS CUSTOM PROPERTIES & RESET
═══════════════════════════════════════════ */
:root {
  /* Dark theme (default) */
  --bg:          #080c14;
  --bg2:         #0d1220;
  --bg3:         #111827;
  --surface:     rgba(255,255,255,.04);
  --surface2:    rgba(255,255,255,.07);
  --border:      rgba(255,255,255,.08);
  --text:        #e8edf5;
  --text2:       #8b95a7;
  --text3:       #5a6478;
  --accent:      #6366f1;
  --accent2:     #8b5cf6;
  --accent3:     #06b6d4;
  --glow:        rgba(99,102,241,.35);
  --glow2:       rgba(139,92,246,.25);
  --nav-bg:      rgba(8,12,20,.85);
  --radius:      14px;
  --radius-lg:   22px;
  --shadow:      0 8px 32px rgba(0,0,0,.45);
  --shadow-lg:   0 24px 64px rgba(0,0,0,.6);
  --transition:  .3s cubic-bezier(.4,0,.2,1);
}

[data-theme="light"] {
  --bg:          #f3f6fd;
  --bg2:         #eaf0fb;
  --bg3:         #dce6f7;
  --surface:     rgba(255,255,255,.7);
  --surface2:    rgba(255,255,255,.9);
  --border:      rgba(0,0,0,.08);
  --text:        #0f1724;
  --text2:       #4a5568;
  --text3:       #8898aa;
  --glow:        rgba(99,102,241,.2);
  --glow2:       rgba(139,92,246,.15);
  --nav-bg:      rgba(243,246,253,.88);
  --shadow:      0 8px 32px rgba(99,102,241,.1);
  --shadow-lg:   0 24px 64px rgba(99,102,241,.15);
}

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

html { scroll-behavior:smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

img { max-width:100%; height:auto; display:block; }
a  { text-decoration:none; color:inherit; }
ul { list-style:none; }
button { border:none; background:none; cursor:pointer; font:inherit; }

.container { max-width:1180px; margin:0 auto; padding:0 24px; }

/* ═══════════════════════════════════════════
   TYPOGRAPHY
═══════════════════════════════════════════ */
h1,h2,h3,h4 { font-family:'Syne',sans-serif; font-weight:700; line-height:1.15; }

em { font-style:normal; font-family:'Syne',sans-serif;
     background: linear-gradient(135deg, var(--accent), var(--accent2), var(--accent3));
     -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }

code, .mono { font-family:'JetBrains Mono', monospace; }

/* ═══════════════════════════════════════════
   NAVIGATION
═══════════════════════════════════════════ */
.nav {
  position: fixed; top:0; left:0; right:0; z-index:999;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.nav__inner {
  max-width:1180px; margin:0 auto; padding:0 24px;
  height:70px; display:flex; align-items:center; gap:32px;
}

.nav__logo {
  font-family:'JetBrains Mono',monospace; font-size:1.25rem; font-weight:700;
  color:var(--text); transition: opacity var(--transition);
  flex-shrink:0;
}
.nav__logo:hover { opacity:.75; }
.bracket { color:var(--accent); }

.nav__links {
  display:flex; gap:4px; margin-left:auto; align-items:center;
}

.nav__link {
  padding:8px 14px; border-radius:8px; font-size:.9rem; font-weight:500;
  color:var(--text2); position:relative; transition: all var(--transition);
}
.nav__link::after {
  content:''; position:absolute; bottom:4px; left:50%; transform:translateX(-50%);
  width:0; height:2px; background:linear-gradient(90deg,var(--accent),var(--accent2));
  border-radius:2px; transition: width var(--transition);
}
.nav__link:hover, .nav__link.active { color:var(--text); }
.nav__link:hover::after, .nav__link.active::after { width:60%; }

.nav__actions { display:flex; align-items:center; gap:10px; margin-left:16px; }

.theme-toggle {
  width:40px; height:40px; border-radius:50%;
  background:var(--surface2); border:1px solid var(--border);
  color:var(--text2); font-size:1.1rem; display:flex; align-items:center; justify-content:center;
  transition: all var(--transition);
}
.theme-toggle:hover { background:var(--accent); color:#fff; border-color:var(--accent); transform:rotate(20deg); }

.hamburger {
  display:none; flex-direction:column; gap:5px; padding:8px;
  width:40px; height:40px; align-items:center; justify-content:center;
  border-radius:8px; background:var(--surface2); border:1px solid var(--border);
}
.hamburger span {
  display:block; width:20px; height:2px;
  background:var(--text2); border-radius:2px; transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; transform:scaleX(0); }
.hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

.nav__overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.6); z-index:998;
  opacity:0; pointer-events:none; transition:opacity var(--transition);
  backdrop-filter:blur(4px);
}
.nav__overlay.show { opacity:1; pointer-events:all; }

/* ═══════════════════════════════════════════
   SECTIONS SHARED
═══════════════════════════════════════════ */
.section { padding:100px 0; position:relative; }
.section-header { text-align:center; margin-bottom:64px; }
.section-label {
  display:inline-block; font-family:'JetBrains Mono',monospace;
  font-size:.8rem; letter-spacing:.15em; text-transform:uppercase;
  color:var(--accent); background:rgba(99,102,241,.1); padding:6px 16px;
  border-radius:20px; border:1px solid rgba(99,102,241,.2); margin-bottom:16px;
}
.section-title { font-size:clamp(2rem,4vw,3rem); }

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 28px; border-radius:10px; font-size:.95rem; font-weight:600;
  transition: all var(--transition); position:relative; overflow:hidden;
}
.btn::after {
  content:''; position:absolute; inset:0;
  background:rgba(255,255,255,.12); opacity:0; transition:opacity var(--transition);
}
.btn:hover::after { opacity:1; }

.btn-primary {
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  color:#fff; box-shadow:0 4px 20px var(--glow);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 30px var(--glow); }

.btn-outline {
  background:transparent; color:var(--text);
  border:1.5px solid var(--border);
  backdrop-filter:blur(10px);
}
.btn-outline:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }

.btn-sm { padding:9px 18px; font-size:.85rem; border-radius:8px; }
.btn-ghost {
  background:var(--surface); color:var(--text2);
  border:1px solid var(--border);
}
.btn-ghost:hover { background:var(--surface2); color:var(--text); border-color:var(--accent3); }
.btn-full { width:100%; justify-content:center; }

/* ═══════════════════════════════════════════
   SOCIAL LINKS
═══════════════════════════════════════════ */
.social-link {
  width:42px; height:42px; border-radius:50%;
  background:var(--surface2); border:1px solid var(--border);
  display:inline-flex; align-items:center; justify-content:center;
  color:var(--text2); font-size:1.15rem; transition: all var(--transition);
}
.social-link:hover {
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border-color:transparent; color:#fff; transform:translateY(-3px);
  box-shadow:0 6px 20px var(--glow);
}
.social-link--sm { width:36px; height:36px; font-size:1rem; }

/* ═══════════════════════════════════════════
   SCROLL REVEAL
═══════════════════════════════════════════ */
.reveal {
  opacity:0; transform:translateY(36px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity:1; transform:translateY(0); }

/* stagger children */
.reveal:nth-child(2) { transition-delay:.1s; }
.reveal:nth-child(3) { transition-delay:.2s; }
.reveal:nth-child(4) { transition-delay:.3s; }
.reveal:nth-child(5) { transition-delay:.4s; }

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

.hero__bg { position:absolute; inset:0; pointer-events:none; }

#particleCanvas { position:absolute; inset:0; width:100%; height:100%; opacity:.35; }

.orb {
  position:absolute; border-radius:50%; filter:blur(80px); opacity:.3; pointer-events:none;
  animation:orbFloat 8s ease-in-out infinite;
}
.orb-1 { width:500px; height:500px; top:-200px; right:-100px;
          background:radial-gradient(circle, var(--accent) 0%, transparent 70%);
          animation-delay:0s; }
.orb-2 { width:400px; height:400px; bottom:-100px; left:-100px;
          background:radial-gradient(circle, var(--accent2) 0%, transparent 70%);
          animation-delay:-3s; }
.orb-3 { width:300px; height:300px; top:40%; left:40%;
          background:radial-gradient(circle, var(--accent3) 0%, transparent 70%);
          animation-delay:-6s; opacity:.15; }

@keyframes orbFloat {
  0%,100% { transform:translate(0,0) scale(1); }
  33%      { transform:translate(30px,-30px) scale(1.05); }
  66%      { transform:translate(-20px,20px) scale(.95); }
}

.hero__container {
  display:grid; grid-template-columns:1fr auto; gap:60px;
  align-items:center; width:100%; padding:80px 24px;
}

/* Badge */
.hero__badge {
  display:inline-flex; align-items:center; gap:10px;
  background:rgba(99,102,241,.1); border:1px solid rgba(99,102,241,.25);
  padding:8px 18px; border-radius:30px; font-size:.85rem; color:var(--accent);
  margin-bottom:24px; font-family:'JetBrains Mono',monospace; letter-spacing:.04em;
}
.dot {
  width:8px; height:8px; border-radius:50%; background:#22c55e;
  box-shadow:0 0 8px #22c55e; animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { box-shadow:0 0 6px #22c55e; }
  50%      { box-shadow:0 0 14px #22c55e, 0 0 22px rgba(34,197,94,.4); }
}

/* Name */
.hero__name {
  font-size:clamp(3rem,7vw,5.5rem); line-height:1.05;
  margin-bottom:20px; letter-spacing:-.02em;
}
.name-accent {
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 50%,var(--accent3) 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}

/* Typewriter */
.hero__typewriter {
  font-size:clamp(1.1rem,2.5vw,1.45rem); color:var(--text2);
  font-family:'JetBrains Mono',monospace; margin-bottom:24px;
  min-height:2em;
}
.typed-text { color:var(--accent3); }
.cursor {
  color:var(--accent); animation:blink 1s step-end infinite;
  font-weight:300; margin-left:2px;
}
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0;} }

.hero__desc { color:var(--text2); max-width:540px; font-size:1.05rem; margin-bottom:36px; }

.hero__cta { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px; }

.hero__socials { display:flex; gap:10px; }

/* Photo */
.hero__photo-col { display:flex; align-items:center; justify-content:center; flex-shrink:0; }

.hero__photo-frame { position:relative; width:340px; height:340px; }

.ring {
  position:absolute; border-radius:50%; border:1.5px dashed;
  animation:spin 20s linear infinite;
}
.ring-1 {
  inset:-20px; border-color:rgba(99,102,241,.25);
}
.ring-2 {
  inset:-40px; border-color:rgba(139,92,246,.15);
  animation-direction:reverse; animation-duration:30s;
}
@keyframes spin { to { transform:rotate(360deg); } }

.hero__photo-inner {
  position:absolute; inset:0; border-radius:50%; overflow:hidden;
  border:3px solid var(--border);
  box-shadow:0 0 0 6px rgba(99,102,241,.08), var(--shadow-lg);
}

.hero__photo { width:100%; height:100%; object-fit:cover; border-radius:50%; }

.photo-placeholder {
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  width:100%; height:100%; background:var(--surface);
  color:var(--text3); gap:8px; text-align:center; padding:20px;
}
.photo-placeholder i { font-size:3.5rem; }
.photo-placeholder span { font-size:.9rem; }
.photo-placeholder small { font-size:.75rem; font-family:'JetBrains Mono',monospace; opacity:.6; }

.hero__badge-float {
  position:absolute; bottom:-10px; right:-20px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff; padding:10px 18px; border-radius:30px; font-size:.85rem; font-weight:600;
  box-shadow:0 6px 20px var(--glow); white-space:nowrap;
  display:flex; align-items:center; gap:8px;
  animation:floatBadge 3s ease-in-out infinite;
}
@keyframes floatBadge {
  0%,100% { transform:translateY(0); }
  50%      { transform:translateY(-6px); }
}

.scroll-hint {
  position:absolute; bottom:32px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  font-size:.75rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--text3); font-family:'JetBrains Mono',monospace;
  animation:fadeDown 2s ease-in-out infinite;
}
.scroll-line { width:1px; height:50px; background:linear-gradient(to bottom, var(--text3), transparent); }
@keyframes fadeDown {
  0%,100% { opacity:.6; transform:translate(-50%,0); }
  50%      { opacity:1; transform:translate(-50%,8px); }
}

/* ═══════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════ */
.about { background:var(--bg2); }

.about__grid {
  display:grid; grid-template-columns:1fr 1.4fr; gap:72px; align-items:center;
}

.about__photo-wrap { position:relative; }
.about__glow {
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:350px; height:350px; border-radius:50%; pointer-events:none;
  background:radial-gradient(circle, var(--glow) 0%, transparent 70%);
}
.about__photo {
  width:100%; border-radius:var(--radius-lg);
  border:2px solid var(--border); position:relative; z-index:1;
  box-shadow:var(--shadow-lg);
  
}
.photo-placeholder--about {
  height:420px; border-radius:var(--radius-lg); border:2px dashed var(--border); z-index:1;
}

.about__stats {
  position:absolute; bottom:-24px; left:50%; transform:translateX(-50%);
  display:flex; gap:16px; background:var(--bg3);
  border:1px solid var(--border); border-radius:var(--radius);
  padding:20px 28px; box-shadow:var(--shadow); z-index:2;
  white-space:nowrap;
  
  
}
.stat { text-align:center; }
.stat strong { display:block; font-family:'Syne',sans-serif; font-size:1.6rem; font-weight:800;
               background:linear-gradient(135deg,var(--accent),var(--accent2));
               -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.stat span { font-size:.8rem; color:var(--text3); text-transform:uppercase; letter-spacing:.08em; }

.about__sub {
  font-size:1.4rem; font-family:'Syne',sans-serif; font-weight:700; margin-bottom:20px; color:var(--text);
}
.about__content p {
  color:var(--text2); margin-bottom:16px; font-size:.975rem;
}

.about__highlights {
  display:grid; grid-template-columns:1fr 1fr; gap:10px; margin:28px 0;
}
.highlight {
  display:flex; align-items:center; gap:10px; font-size:.9rem; color:var(--text2);
}
.highlight i { color:var(--accent); font-size:1.1rem; flex-shrink:0; }

/* ═══════════════════════════════════════════
   SKILLS
═══════════════════════════════════════════ */
.skills__grid {
  display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); gap:16px;
}

.skill-card {
  display:flex; align-items:center; gap:16px;
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); padding:20px 22px;
  transition: all var(--transition); backdrop-filter:blur(10px);
}
.skill-card:hover {
  background:var(--surface2); border-color:rgba(99,102,241,.3);
  transform:translateY(-3px); box-shadow:0 8px 24px var(--glow);
}

.skill-icon {
  width:44px; height:44px; border-radius:10px; flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:1.25rem; box-shadow:0 4px 12px var(--glow);
}

.skill-info { flex:1; }
.skill-top { display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.skill-top span:first-child { font-weight:600; font-size:.9rem; }
.pct { font-family:'JetBrains Mono',monospace; font-size:.8rem; color:var(--accent); font-weight:600; }

.skill-bar {
  height:5px; background:var(--border); border-radius:5px; overflow:hidden;
}
.skill-fill {
  height:100%; border-radius:5px; width:0; transition:width 1.2s cubic-bezier(.4,0,.2,1);
  background:linear-gradient(90deg,var(--accent),var(--accent2),var(--accent3));
}

/* ═══════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════ */
.services { background:var(--bg2); }

.services__grid {
  display:grid; grid-template-columns:repeat(auto-fill, minmax(320px,1fr)); gap:24px;
}

.svc-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:36px 30px;
  position:relative; overflow:hidden; transition:all var(--transition);
}
.svc-glow {
  position:absolute; top:-50%; left:-50%; width:200%; height:200%;
  background:radial-gradient(circle at center, var(--glow) 0%, transparent 60%);
  opacity:0; transition:opacity var(--transition); pointer-events:none;
}
.svc-card:hover { border-color:rgba(99,102,241,.4); transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.svc-card:hover .svc-glow { opacity:1; }

.svc-icon {
  width:60px; height:60px; border-radius:14px; margin-bottom:24px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:1.6rem; box-shadow:0 6px 20px var(--glow);
  position:relative; z-index:1;
}
.svc-card h3 {
  font-size:1.2rem; margin-bottom:12px; position:relative; z-index:1;
}
.svc-card p {
  color:var(--text2); font-size:.9rem; line-height:1.7;
  margin-bottom:20px; position:relative; z-index:1;
}
.svc-tags {
  display:flex; gap:8px; flex-wrap:wrap; position:relative; z-index:1; margin-bottom:20px;
}
.svc-tags span {
  font-size:.76rem; padding:4px 12px; border-radius:20px;
  background:rgba(99,102,241,.1); color:var(--accent);
  border:1px solid rgba(99,102,241,.2); font-family:'JetBrains Mono',monospace;
}
.svc-arrow {
  position:absolute; bottom:24px; right:24px; z-index:1;
  width:38px; height:38px; border-radius:50%;
  background:var(--surface2); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  color:var(--text3); font-size:1.1rem; transition:all var(--transition);
}
.svc-card:hover .svc-arrow {
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border-color:transparent; color:#fff; transform:rotate(45deg);
}

/* ═══════════════════════════════════════════
   PROJECTS
═══════════════════════════════════════════ */
.projects__grid {
  display:grid; grid-template-columns:repeat(auto-fill, minmax(340px,1fr)); gap:28px;
}

.proj-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); overflow:hidden;
  transition:all var(--transition);
}
.proj-card:hover { transform:translateY(-6px); border-color:rgba(99,102,241,.3); box-shadow:var(--shadow-lg); }

.proj-img-wrap { position:relative; overflow:hidden; aspect-ratio:16/9; background:var(--bg3); }
.proj-img-wrap img {
  width:100%; height:100%; object-fit:cover;
  transition:transform .6s cubic-bezier(.4,0,.2,1);
}
.proj-card:hover .proj-img-wrap img { transform:scale(1.06); }

.proj-placeholder {
  display:none; flex-direction:column; align-items:center; justify-content:center;
  height:100%; color:var(--text3); gap:8px;
}
.proj-placeholder i { font-size:2.5rem; }
.proj-placeholder span { font-size:.8rem; font-family:'JetBrains Mono',monospace; }

.proj-overlay {
  position:absolute; inset:0; background:linear-gradient(to top, rgba(8,12,20,.7) 0%, transparent 50%);
  display:flex; align-items:flex-end; padding:16px;
  opacity:0; transition:opacity var(--transition);
}
.proj-card:hover .proj-overlay { opacity:1; }
.proj-cat {
  font-size:.78rem; font-family:'JetBrains Mono',monospace; letter-spacing:.08em;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff; padding:4px 12px; border-radius:20px;
}

.proj-body { padding:24px; }
.proj-body h3 { font-size:1.1rem; margin-bottom:10px; }
.proj-body p { color:var(--text2); font-size:.875rem; margin-bottom:16px; line-height:1.6; }
.proj-tags { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:18px; }
.proj-tags span {
  font-size:.75rem; padding:3px 10px; border-radius:20px;
  background:rgba(99,102,241,.08); color:var(--text3);
  border:1px solid var(--border); font-family:'JetBrains Mono',monospace;
}
.proj-actions { display:flex; gap:10px; flex-wrap:wrap; }

/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
.contact { background:var(--bg2); }

.contact__grid {
  display:grid; grid-template-columns:1fr 1.2fr; gap:60px; align-items:start;
}

.contact__info h3 { font-size:1.6rem; margin-bottom:16px; }
.contact__info > p { color:var(--text2); font-size:.95rem; margin-bottom:36px; }

.contact__details { display:flex; flex-direction:column; gap:16px; margin-bottom:32px; }
.c-detail {
  display:flex; align-items:center; gap:16px;
  padding:16px 20px; border-radius:var(--radius);
  background:var(--surface); border:1px solid var(--border);
  transition:all var(--transition); color:var(--text);
}
.c-detail:hover { border-color:rgba(99,102,241,.3); background:var(--surface2); transform:translateX(4px); }
.c-icon {
  width:44px; height:44px; border-radius:10px; flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:1.2rem;
}
.c-detail strong { display:block; font-size:.8rem; text-transform:uppercase;
                   letter-spacing:.08em; color:var(--text3); margin-bottom:2px; }
.c-detail span { font-size:.9rem; color:var(--text2); }

.contact__socials { display:flex; gap:10px; }

/* Form */
.contact__form-wrap {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:36px; backdrop-filter:blur(10px);
}

.f-group { margin-bottom:22px; }
.f-group label {
  display:block; font-size:.85rem; font-weight:600; color:var(--text2);
  margin-bottom:8px; text-transform:uppercase; letter-spacing:.07em;
}
.f-input-wrap {
  position:relative; border-radius:10px; overflow:hidden;
  border:1.5px solid var(--border); transition:border-color var(--transition);
  background:var(--bg3);
}
.f-input-wrap:focus-within { border-color:var(--accent); box-shadow:0 0 0 3px var(--glow); }
.f-input-wrap > i {
  position:absolute; left:14px; top:50%; transform:translateY(-50%);
  color:var(--text3); font-size:1.05rem; pointer-events:none;
}
.f-textarea > i { top:16px; transform:none; }
.f-input-wrap input, .f-input-wrap textarea {
  width:100%; padding:14px 14px 14px 44px;
  background:transparent; border:none; outline:none;
  color:var(--text); font:inherit; font-size:.9rem;
}
.f-input-wrap textarea { resize:vertical; min-height:130px; }
.f-input-wrap input::placeholder, .f-input-wrap textarea::placeholder { color:var(--text3); }

.f-error { font-size:.8rem; color:#f87171; display:block; margin-top:5px; min-height:16px; }

.f-feedback {
  margin-top:16px; padding:14px 18px; border-radius:10px; font-size:.9rem; text-align:center;
}
.f-feedback.success { background:rgba(34,197,94,.1); border:1px solid rgba(34,197,94,.25); color:#4ade80; }
.f-feedback.error   { background:rgba(248,113,113,.1); border:1px solid rgba(248,113,113,.25); color:#f87171; }

@keyframes spin { to { transform:rotate(360deg); } }
.spin { display:inline-block; animation:spin .7s linear infinite; }

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.footer {
  background:var(--bg); border-top:1px solid var(--border); padding:36px 0;
  position:relative;
}
.footer__inner {
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px;
}
.footer__logo { font-family:'JetBrains Mono',monospace; font-size:1.15rem; font-weight:700; }
.footer__copy { font-size:.875rem; color:var(--text3); display:flex; align-items:center; gap:5px; }
.footer__socials { display:flex; gap:8px; }

.back-top {
  position:absolute; bottom:36px; right:24px;
  width:44px; height:44px; border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff; font-size:1.1rem;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 16px var(--glow); transition:all var(--transition);
  opacity:0; pointer-events:none;
}
.back-top.show { opacity:1; pointer-events:all; }
.back-top:hover { transform:translateY(-3px); box-shadow:0 8px 24px var(--glow); }

/* ═══════════════════════════════════════════
   FLOATING WHATSAPP
═══════════════════════════════════════════ */
.wa-float {
  position:fixed; bottom:28px; right:28px; z-index:990;
  width:58px; height:58px; border-radius:50%;
  background:linear-gradient(135deg,#25d366,#128c7e);
  color:#fff; font-size:1.8rem;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 24px rgba(37,211,102,.45);
  transition:all var(--transition); overflow:visible;
}
.wa-float:hover { transform:scale(1.1) translateY(-3px); box-shadow:0 10px 32px rgba(37,211,102,.6); }
.wa-tooltip {
  position:absolute; right:68px; top:50%; transform:translateY(-50%);
  background:var(--bg3); color:var(--text); font-size:.8rem; white-space:nowrap;
  padding:6px 14px; border-radius:8px; border:1px solid var(--border);
  opacity:0; pointer-events:none; transition:opacity var(--transition);
}
.wa-float:hover .wa-tooltip { opacity:1; }

/* ═══════════════════════════════════════════
   RESPONSIVE – TABLET
═══════════════════════════════════════════ */
@media (max-width:900px) {
  .hero__container { grid-template-columns:1fr; gap:48px; text-align:center; }
  .hero__photo-col { order:-1; }
  .hero__badge, .hero__cta, .hero__socials { justify-content:center; }
  .hero__desc { margin:0 auto 36px; }

  .about__grid { grid-template-columns:1fr; gap:80px; }
  .about__photo-wrap { max-width:380px; margin:0 auto; }

  .contact__grid { grid-template-columns:1fr; gap:40px; }
}

@media (max-width:768px) {
  .nav__links {
    position:fixed; top:70px; right:0; bottom:0; width:280px;
    flex-direction:column; background:var(--bg2);
    border-left:1px solid var(--border); padding:32px 24px; gap:4px;
    transform:translateX(100%); transition:transform var(--transition); z-index:999;
    backdrop-filter:blur(20px);
  }
  .nav__links.open { transform:translateX(0); }
  .nav__link { display:block; padding:12px 16px; font-size:1rem; }
  .hamburger { display:flex; }

  .section { padding:72px 0; }
  .section-title { font-size:2rem; }

  .hero__photo-frame { width:260px; height:260px; }

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

  .footer__inner { flex-direction:column; align-items:center; text-align:center; }
  .back-top { position:static; margin-top:16px; opacity:1 !important; pointer-events:all !important; }

  .contact__form-wrap { padding:24px; }
}

@media (max-width:480px) {
  .hero__name { font-size:2.6rem; }
  .hero__photo-frame { width:220px; height:220px; }
  .hero__badge-float { font-size:.75rem; padding:8px 14px; }
  .hero__cta { flex-direction:column; align-items:center; }
  .btn { width:100%; justify-content:center; }
  .about__stats { flex-direction:column; gap:12px; padding:16px 20px; }
  .projects__grid { grid-template-columns:1fr; }
  .services__grid { grid-template-columns:1fr; }
  .skills__grid { grid-template-columns:1fr; }
}