/* =============================================
   koudd.lab — UI Components
   ============================================= */

/* ─── NAVBAR ─── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background 0.4s var(--ease-out), box-shadow 0.4s;
  padding: 0 var(--gap-md);
}

#navbar.scrolled {
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,85,0,0.15);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: transform 0.3s var(--spring);
}

.nav-logo:hover { transform: scale(1.04); }

.nav-logo img {
  height: 38px;
  width: auto;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.nav-logo-text span { color: var(--orange); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--white-60);
  padding: 0.5rem 1rem;
  border-radius: var(--r-full);
  transition: color 0.3s, background 0.3s;
  letter-spacing: 0.05em;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--orange);
  border-radius: 99px;
  transform: translateX(-50%);
  transition: width 0.3s var(--ease-out);
}

.nav-link:hover { color: var(--white); }
.nav-link:hover::after,
.nav-link.active::after { width: 60%; }
.nav-link.active { color: var(--white); }

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 99px;
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5,5,5,0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.nav-mobile.open { display: flex; }
.nav-mobile .nav-link { font-size: 1.5rem; letter-spacing: 0.08em; }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
}


/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--spring), box-shadow 0.3s;
  user-select: none;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  transform: translateX(-110%) skewX(-15deg);
  transition: transform 0.5s var(--ease-out);
}

.btn:hover::before { transform: translateX(110%) skewX(-15deg); }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: scale(0.97); }

/* Ripple */
.btn .ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  transform: scale(0);
  animation: ripple 0.6s linear;
  pointer-events: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(255,85,0,0.35);
}
.btn-primary:hover { box-shadow: 0 8px 30px rgba(255,85,0,0.5); }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--glass-border);
  color: var(--white);
}
.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange);
  background: var(--orange-dim);
}

.btn-ghost {
  background: var(--white-10);
  color: var(--white-90);
}
.btn-ghost:hover { background: var(--white-05); }

.btn-lg { padding: 1rem 2.5rem; font-size: 0.95rem; }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.78rem; }
.btn-icon { padding: 0.75rem; width: 44px; height: 44px; justify-content: center; }

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover { box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5); }

/* ─── FLOATING WHATSAPP ─── */
#whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s var(--spring), box-shadow 0.3s;
  animation: glowPulse 3s ease-in-out infinite;
  max-width: 100vw;
}

#whatsapp-float:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 8px 40px rgba(37, 211, 102, 0.6);
}

#whatsapp-float svg { width: 28px; height: 28px; fill: white; }

.whatsapp-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.4);
  animation: ripple 2s ease-out infinite;
}

/* ─── BADGE / CHIP ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-orange {
  background: var(--orange-dim);
  color: var(--orange);
  border: 1px solid rgba(255,85,0,0.25);
}

.badge-white {
  background: var(--white-10);
  color: var(--white-60);
  border: 1px solid var(--white-30);
}

.badge-green {
  background: rgba(37, 211, 102, 0.1);
  color: #25D366;
  border: 1px solid rgba(37, 211, 102, 0.25);
}

/* ─── CARDS ─── */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--gap-md);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.4s var(--ease-out);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,85,0,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.card:hover {
  border-color: rgba(255,85,0,0.35);
  box-shadow: var(--shadow-orange);
  transform: translateY(-6px);
}

/* Project card */
.project-card {
  background: var(--black-3);
  border: 1px solid var(--black-5);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: border-color 0.4s, box-shadow 0.4s, transform 0.4s var(--ease-out);
}

.project-card:hover {
  border-color: var(--orange);
  box-shadow: 0 20px 60px rgba(255,85,0,0.2);
  transform: translateY(-8px);
}

.project-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out);
}

.project-card:hover .project-card-img {
  transform: scale(1.05);
}

.project-card-img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--black-4), var(--black-5));
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.6s var(--ease-out);
}

.project-card:hover .project-card-img-placeholder {
  transform: scale(1.05);
}

.project-card-img-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,5,5,0.95) 0%, rgba(5,5,5,0.1) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  transform: translateY(60%);
  transition: transform 0.4s var(--ease-out);
}

.project-card:hover .project-card-overlay { transform: translateY(0); }

.project-card-body {
  padding: 1.25rem;
}

.project-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.project-card-desc {
  font-size: 0.85rem;
  color: var(--white-60);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

/* Service card */
.service-card {
  background: var(--black-3);
  border: 1px solid var(--black-5);
  border-radius: var(--r-lg);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.3s, transform 0.4s var(--ease-out), box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
  transform: scaleX(0);
  transition: transform 0.4s var(--ease-out);
}

.service-card:hover {
  border-color: rgba(255,85,0,0.3);
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(255,85,0,0.15);
}

.service-card:hover::after { transform: scaleX(1); }

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--r-md);
  background: var(--orange-dim);
  border: 1px solid rgba(255,85,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 1.8rem;
  transition: transform 0.3s var(--spring), background 0.3s;
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(-5deg);
  background: rgba(255,85,0,0.2);
}

.service-card h3 {
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.85rem;
  color: var(--white-60);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

/* Store / Product card */
.product-card {
  background: var(--black-3);
  border: 1px solid var(--black-5);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.4s var(--ease-out), box-shadow 0.3s;
}

.product-card:hover {
  border-color: rgba(255,85,0,0.3);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(255,85,0,0.12);
}

.product-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.product-card-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--black-4), var(--black-5));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.product-card-body {
  padding: 1.25rem;
}

.product-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.35rem;
}

.product-card-desc {
  font-size: 0.83rem;
  color: var(--white-60);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--black-5);
  background: var(--black-4);
}

.product-price {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--orange);
}

.product-price-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--white-60);
  display: block;
}

/* ─── SKILL TAGS ─── */
.skills-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  background: var(--black-4);
  border: 1px solid var(--black-5);
  color: var(--white-60);
  transition: border-color 0.3s, color 0.3s, background 0.3s, transform 0.3s var(--spring);
  cursor: default;
}

.skill-tag:hover {
  border-color: var(--orange);
  color: var(--orange);
  background: var(--orange-dim);
  transform: translateY(-3px);
}

.skill-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  display: inline-block;
}

/* ─── STAT CARDS ─── */
.stat-card {
  text-align: center;
  padding: 2rem;
  background: var(--black-3);
  border: 1px solid var(--black-5);
  border-radius: var(--r-lg);
  transition: border-color 0.3s, transform 0.3s;
}

.stat-card:hover {
  border-color: rgba(255,85,0,0.25);
  transform: translateY(-4px);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--white-60);
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* ─── FILTER TABS ─── */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-tab {
  padding: 0.5rem 1.25rem;
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--white-60);
  background: var(--black-4);
  border: 1px solid var(--black-5);
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 0.04em;
}

.filter-tab:hover { border-color: var(--orange); color: var(--orange); }
.filter-tab.active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

/* ─── MODAL ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 5, 0.95);
  backdrop-filter: blur(10px);
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--black-3);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s var(--spring);
  position: relative;
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--black-5);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--white-60);
  font-size: 1.2rem;
  transition: background 0.2s, color 0.2s;
  z-index: 10;
}

.modal-close:hover { background: var(--orange); color: var(--white); }

.modal-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--r-xl) var(--r-xl) 0 0;
}

.modal-img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--black-4), var(--black-5));
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  font-size: 4rem;
}

.modal-body { padding: 2rem; }

.modal-title {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.modal-desc {
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.7;
}

.modal-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ─── CONTACT FORM ─── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--white-60);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-input,
.form-textarea,
.form-select {
  background: var(--black-4);
  border: 1px solid var(--black-5);
  border-radius: var(--r-md);
  padding: 0.875rem 1rem;
  color: var(--white);
  font-size: 0.95rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  width: 100%;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,85,0,0.12);
  background: var(--black-3);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--white-30);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ─── TOAST NOTIFICATION ─── */
#toast-container {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

.toast {
  background: var(--black-3);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-full);
  padding: 0.75rem 1.5rem;
  color: var(--white);
  font-size: 0.9rem;
  box-shadow: var(--shadow-card);
  animation: fadeUp 0.4s var(--ease-out);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(20px);
}

.toast.success { border-color: #25D366; }
.toast.error   { border-color: var(--orange); }
.toast.fade-out { animation: fadeIn 0.4s reverse; }

/* ─── SECTION BG GRADIENT ─── */
.section-gradient {
  position: relative;
}

.section-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255,85,0,0.04) 0%, transparent 70%);
  pointer-events: none;
}

/* ─── SEPARATOR LINE ─── */
.sep-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,85,0,0.2), transparent);
  margin: var(--gap-md) 0;
}

/* ─── AVATAR ─── */
.avatar-ring {
  position: relative;
  width: min(220px, 80vw);
  height: min(220px, 80vw);
  max-width: 220px;
  max-height: 220px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  box-sizing: border-box;
}

.avatar-ring::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: conic-gradient(var(--orange) 0deg, transparent 120deg, var(--orange) 240deg, transparent 360deg);
  animation: spinSlow 6s linear infinite;
  z-index: 0;
}

.avatar-ring img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  box-sizing: border-box;
  border-radius: 50%;
  object-fit: cover;
  object-position: center center;
  border: 4px solid var(--black);
}

.avatar-placeholder {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--black-4), var(--black-5));
  border: 4px solid var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  overflow: hidden;
}

/* ─── ABOUT SECTION ─── */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .about-grid .skills-cloud { justify-content: center; }
  .about-grid .divider.left { margin: 1.5rem auto; }
}

/* ─── HERO SECTION ─── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}

#particles-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

#three-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
  padding: 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--r-full);
  background: var(--orange-dim);
  border: 1px solid rgba(255,85,0,0.25);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--orange);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s var(--ease-out) 0.2s both;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  animation: blink 1.5s ease-in-out infinite;
}

.hero-intro {
  color: var(--white-60);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  animation: fadeUp .8s var(--ease-out) .55s both;
  max-width: 500px;
  margin-inline: auto;
}

.cta-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem 3rem;
  max-width: 550px;
  width: 100%;
  text-align: center;
}

@media (max-width: 768px) {
  .cta-card {
    padding: 1.5rem 1.5rem;
    margin-inline: auto;
  }
}

.hero-title {
  font-size: clamp(3.5rem, 10vw, 8rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.9s var(--ease-out) 0.35s both;
}

.hero-title .highlight {
  color: var(--orange);
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--orange);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  animation: scaleX 0.8s var(--ease-out) 1.2s forwards;
}

@keyframes scaleX { to { transform: scaleX(1); } }

.hero-typewriter {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--white-60);
  letter-spacing: 0.05em;
  min-height: 2em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.8s var(--ease-out) 0.5s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 0.8s var(--ease-out) 0.65s both;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--white-30);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  animation: fadeIn 1s var(--ease-out) 1.5s both;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,85,0,0.3);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--orange);
  border-radius: 2px;
  animation: floatY 1.5s ease-in-out infinite;
}

/* ─── FOOTER ─── */
footer {
  background: var(--black-2);
  border-top: 1px solid var(--black-4);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 300px;
  margin-top: 1rem;
}

.footer-title {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--orange);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--white-60);
  transition: color 0.2s;
  cursor: pointer;
}

.footer-link:hover { color: var(--orange); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--black-4);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  font-size: 0.82rem;
  color: var(--white-30);
  font-family: var(--font-mono);
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--black-4);
  border: 1px solid var(--black-5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-60);
  font-size: 0.9rem;
  transition: border-color 0.3s, color 0.3s, transform 0.3s var(--spring);
}

.social-btn:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-3px);
}

/* ─── ABOUT DETAILS (code-style) ─── */
.code-block {
  background: var(--black-4);
  border: 1px solid var(--black-5);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 2;
  overflow-x: auto;
}

.code-block .key   { color: var(--orange); }
.code-block .value { color: var(--white-60); }
.code-block .str   { color: #98C379; }
.code-block .num   { color: #D19A66; }

/* ─── HERO 3D CANVAS SIZE ─── */
#three-canvas canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ─── RESPONSIVE ENHANCEMENTS ─── */
@media (max-width: 1024px) {
  .hero-content {
    padding: 1.5rem;
  }

  .hero-title {
    margin-bottom: 1.2rem;
  }

  .hero-actions {
    gap: 0.85rem;
  }

  .hero-scroll {
    bottom: 1.5rem;
  }

  .orb-1,
  .orb-2 {
    width: clamp(220px, 30vw, 420px);
    height: clamp(220px, 30vw, 420px);
  }

  .avatar-ring {
    width: min(220px, 70vw);
    height: min(220px, 70vw);
  }
}

@media (max-width: 768px) {
  #navbar {
    padding: 0.75rem var(--gap-sm);
    backdrop-filter: blur(18px);
    width: 100%;
    left: 0;
    right: 0;
  }

  .nav-inner {
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: space-between;
    min-width: 0;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .hero-content {
    padding: 1.25rem;
  }

  .hero-badge {
    margin-bottom: 1rem;
    padding: 0.35rem 0.85rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 12vw, 5rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-scroll {
    display: none;
  }

  .about-grid,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    gap: 2rem;
  }

  .section {
    padding: 3rem 0;
  }

  .card,
  .service-card,
  .product-card,
  .modal {
    padding: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-socials {
    width: 100%;
    justify-content: flex-start;
  }

  .avatar-ring {
    margin-bottom: 1.5rem;
  }

  #whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 1.25rem;
    right: 1.25rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero-content {
    padding: 1rem;
  }

  .hero-badge {
    font-size: 0.7rem;
  }

  .hero-title {
    font-size: clamp(2rem, 15vw, 4rem);
  }

  .hero-typewriter {
    font-size: 1rem;
  }

  .btn {
    padding: 0.9rem 1rem;
  }

  .btn-sm,
  .btn-lg {
    width: 100%;
  }

  .skills-cloud {
    justify-content: center;
    gap: 0.45rem;
  }

  .skill-tag {
    padding: 0.35rem 0.8rem;
    font-size: 0.75rem;
  }

  .section-title {
    font-size: clamp(1.75rem, 9vw, 2.6rem);
  }

  .form-input,
  .form-select,
  .form-textarea {
    font-size: 0.95rem;
  }

  .filter-tabs {
    justify-content: stretch;
  }

  .cta-card {
    width: 100%;
    max-width: 100%;
  }
}