:root {
  --bg:           #0d0d10;
  --bg2:          #141418;
  --bg3:          #1c1c22;
  --surface:      rgba(255,255,255,0.04);
  --border:       rgba(255,255,255,0.08);
  --text:         #f0ede8;
  --text2:        rgba(240,237,232,0.55);
  --text3:        rgba(240,237,232,0.3);
  --accent:       #d4813a;
  --accent2:      #e8a262;
  --danger:       #e07050;

  /* Same font system as Confiweb — feels like the same brand */
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body:    'Manrope', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;
  --radius-xl:    32px;

  --transition:   0.25s ease;
  --shadow:       0 8px 32px rgba(0,0,0,0.4);
}

[data-theme="light"] {
  --bg:       #f5f2ee;
  --bg2:      #ede9e3;
  --bg3:      #e2ddd6;
  --surface:  rgba(0,0,0,0.03);
  --border:   rgba(0,0,0,0.1);
  --text:     #1a1814;
  --text2:    rgba(26,24,20,0.6);
  --text3:    rgba(26,24,20,0.35);
  --shadow:   0 8px 32px rgba(0,0,0,0.1);
}

/* -
   Reset
- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

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

/* -
   Utilities y estilos globales
- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.hidden { display: none !important; }

.section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 56px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  
}

.section-subtitle {
  margin-top: 12px;
  color: var(--text2);
  font-size: 16px;
}

/* Buttons */
.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  background: var(--accent);
  color: #0d0d10;
  font-weight: 600;
  font-size: 14px;
  border-radius: 50px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-primary:hover {
  background: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,169,110,0.35);
}

.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  border-radius: 50px;
  transition: background var(--transition), border-color var(--transition);
}
.btn-secondary:hover {
  background: var(--surface);
  border-color: var(--accent);
}

/* -
   Navbar
- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 40px;
  background: rgba(13,13,16,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 0.5px solid var(--border);
  transition: background var(--transition);
}

[data-theme="light"] .navbar {
  background: rgba(245,242,238,0.8);
}

.navbar.scrolled {
  background: rgba(13,13,16,0.95);
}
[data-theme="light"] .navbar.scrolled {
  background: rgba(245,242,238,0.97);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  font-size: 13.5px;
  color: var(--text2);
  transition: color var(--transition);
  letter-spacing: 0.01em;
}
.nav-links a:hover { color: var(--text); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.btn-theme, .btn-lang {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 50px;
  border: 0.5px solid var(--border);
  background: var(--surface);
  font-size: 13px;
  color: var(--text2);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.btn-theme:hover, .btn-lang:hover {
  color: var(--text);
  border-color: var(--accent);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--bg2);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  min-width: 140px;
  box-shadow: var(--shadow);
  z-index: 10;
}
.lang-dropdown.open { display: flex; }
.lang-dropdown button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text2);
  text-align: left;
  transition: background var(--transition), color var(--transition);
}
.lang-dropdown button:hover {
  background: var(--surface);
  color: var(--text);
}

/* Burger */
.btn-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.btn-burger span {
  width: 22px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
  display: block;
}
.btn-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.btn-burger.open span:nth-child(2) { opacity: 0; }
.btn-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;

}

.nav-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile */
@media (max-width: 768px) {

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    background: var(--bg2);
    flex-direction: column;
    padding: 80px 24px;
    gap: 20px;
    transition: right 0.3s ease;
    z-index: 1001;

  }

  .nav-links.mobile-open {
    right: 0;
  }

  .btn-burger {
    display: flex;
  }
}

/* -
   Hero
- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.4;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 56px;
  padding-top: 80px;
}

.hero-avatar {
  flex-shrink: 0;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent);
  box-shadow: 0 0 40px rgba(200,169,110,0.25);
}
.hero-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.hero-text { flex: 1; }

.hero-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 10px;
}

.hero-role {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 28px);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.cursor {
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-desc {
  font-size: 16px;
  color: var(--text2);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text3);
  text-transform: uppercase;
  animation: bounce-hint 2s ease-in-out infinite;
  z-index: 1;
}
@keyframes bounce-hint {
  0%,100%{ transform: translateX(-50%) translateY(0); }
  50%{ transform: translateX(-50%) translateY(6px); }
}

/* -
   Sobre mi
- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
  align-items: start;
}

.about-text p {
  font-size: 17px;
  color: var(--text2);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-text p:last-child { margin-bottom: 0; }

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stat {
  border-left: 2px solid var(--accent);
  padding-left: 16px;
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 13px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* -
   Proceso
- */
#proceso {
  padding-bottom: 0;
}

#proceso .section-header {
  padding: 80px 0 0;
}

.seq-outer {
  height: 350vh;
  position: relative;
}

.seq-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  overflow: hidden;
  background: var(--bg2);
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
}

/* Chapter dots */
.seq-dots {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 2;
}
.seq-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.seq-dot.active {
  background: var(--accent);
  transform: scale(1.5);
}

/* Left panel — 50% */
.seq-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 56px;
  border-right: 0.5px solid var(--border);
  position: relative;
}

.seq-chapter {
  position: absolute;
  left: 56px; right: 24px;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
}
.seq-chapter.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.chapter-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 14px;
}

.seq-chapter h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  line-height: 1.1;
}

.seq-chapter p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
}

/* Right: canvas — 50% */
.seq-right {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#seq-canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
}

.seq-progress-rail {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--border);
}
.seq-progress-fill {
  width: 100%;
  background: var(--accent);
  transition: height 0.04s linear;
}

.seq-frame-counter {
  position: absolute;
  bottom: 20px; right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 0.08em;
}

/* -═
   Proyectos
-═ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg2);
  border: 0.5px solid var(--border);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.project-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.project-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-img img { transform: scale(1.05); }

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(200,169,110,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
  backdrop-filter: blur(2px);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-overlay span {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-info {
  padding: 20px;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.project-tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 50px;
  background: var(--surface);
  border: 0.5px solid var(--border);
  color: var(--text3);
  letter-spacing: 0.06em;
}
.project-info h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.project-info p {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.6;
}

/* Tech strip */
.tech-strip {
  border-top: 0.5px solid var(--border);
  padding-top: 40px;
  text-align: center;
}
.tech-strip-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text3);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.tech-track-wrap {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}
.tech-track {
  display: flex;
  gap: 40px;
  width: max-content;
  animation: tech-scroll 18s linear infinite;
}
.tech-track i {
  font-size: 32px;
  color: var(--text3);
  transition: color var(--transition);
}
.tech-track i:hover { color: var(--accent); }
@keyframes tech-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* -═
   Modals
-═ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.open {
  display: flex;
  animation: modal-in 0.25s ease;
}
@keyframes modal-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-box {
  background: var(--bg2);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 36px;
  position: relative;
  animation: modal-up 0.3s ease;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
@keyframes modal-up {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 0.5px solid var(--border);
  font-size: 14px;
  color: var(--text2);
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--bg3); color: var(--text); }

.modal-box h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 20px;
  padding-right: 40px;
}

.modal-tech-carousel {
  overflow: hidden;
  margin-bottom: 24px;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}
.modal-tech-track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: tech-scroll 14s linear infinite;
}
.modal-tech-track span {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 50px;
  background: var(--surface);
  border: 0.5px solid var(--border);
  color: var(--text3);
  white-space: nowrap;
}

.modal-section {
  margin-bottom: 20px;
}
.modal-section h4 {
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.modal-section p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
}

.modal-warning {
  background: rgba(232,162,98,0.07);
  border: 0.5px solid rgba(232,162,98,0.25);
  border-radius: var(--radius-md);
  padding: 16px;
}
.modal-warning h4 { color: var(--danger); }

.modal-icons {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
}
.modal-icons i {
  font-size: 32px;
  color: var(--text3);
}

.modal-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 0.5px solid var(--border);
}

/* -═
   Educacion
-═ */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.edu-card {
  background: var(--bg2);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition);
}
.edu-card:hover { border-color: var(--accent); }

.edu-logo {
  margin-bottom: 20px;
}
.edu-logo img {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: brightness(0.9);
}

.edu-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.edu-desc {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 20px;
  line-height: 1.6;
}

.edu-degree {
  border-left: 2px solid var(--border);
  padding-left: 14px;
  margin-bottom: 16px;
  transition: border-color var(--transition);
}
.edu-degree:hover { border-color: var(--accent); }

.edu-degree h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.edu-degree p {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 8px;
  line-height: 1.6;
}

.diploma-details summary {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  transition: opacity var(--transition);
}
.diploma-details summary:hover { opacity: 0.75; }
.diploma-details summary::-webkit-details-marker { display: none; }
.diploma-details img {
  margin-top: 12px;
  border-radius: var(--radius-md);
  border: 0.5px solid var(--border);
}

/* -═
   why me
-═ */
#por-que {
  background: var(--bg2);
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}
.why-item:hover { border-color: var(--accent); }

.why-item i {
  font-size: 18px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.why-item p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.65;
}

.why-cta-text {
  font-size: 16px;
  color: var(--text2);
  max-width: 600px;
  margin-bottom: 24px;
  line-height: 1.7;
}

/* -═
   Testimonios
-═ */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.testimonial-card {
  background: var(--bg2);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition);
}
.testimonial-card:hover { border-color: var(--accent); }

.testimonial-card p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 20px;
}

.testimonial-card footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.testimonial-card footer strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.testimonial-card footer span {
  font-size: 12px;
  color: var(--text3);
  font-family: var(--font-mono);
}

/* -═
   Contacto
-═ */
.section-contact {
  background: var(--bg2);
  border-top: 0.5px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.contact-card {
  background: var(--bg3);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.contact-card img {
  width: 80px; height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 2px solid var(--accent);
}

.contact-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 4px;
}

.contact-role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.contact-card p {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.65;
  margin-bottom: 20px;
}

.contact-btns {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.btn-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 0.5px solid var(--border);
  font-size: 18px;
  color: var(--text2);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-icon:hover {
  background: var(--accent);
  color: #0d0d10;
  border-color: var(--accent);
}

/* -═
   Footer
-═ */
footer {
  border-top: 0.5px solid var(--border);
  padding: 36px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}
.footer-brand p {
  font-size: 12px;
  color: var(--text3);
  font-family: var(--font-mono);
}

.footer-nav {
  display: flex;
  gap: 24px;
}
.footer-nav a {
  font-size: 13px;
  color: var(--text3);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--text); }

.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: var(--text3);
  transition: color var(--transition), border-color var(--transition);
}
.footer-social a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.footer-logo-img { width: 22px; height: 22px; object-fit: contain; border-radius: 100%;}


/* -═
   fabs
-═ */
.fab-whatsapp, .fab-top {
  position: fixed;
  z-index: 900;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  transition: transform var(--transition), opacity var(--transition);
}

.fab-whatsapp {
  bottom: 24px; left: -80px;
  background: #25d366;
  color: #fff;
}
.fab-whatsapp.visible { left: 24px; }
.fab-whatsapp:hover { transform: scale(1.1); }

.fab-top {
  bottom: 24px; right: -80px;
  background: var(--bg3);
  color: var(--text);
  border: 0.5px solid var(--border);
}
.fab-top.visible { right: 24px; }
.fab-top:hover { transform: scale(1.1); }

/*  nav mobile (global)  */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  display: none;
}
.nav-backdrop.visible {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

/*  btn  */
.nav-close {
  display: none;
  position: absolute;
  top: 20px; right: 20px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--surface);
  border: 0.5px solid var(--border);
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text2);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  z-index: 10;
}
.nav-close:hover { background: var(--bg3); color: var(--text); }
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* -═
   Responsive
-═ */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { flex-direction: row; gap: 32px; }
}

@media (max-width: 768px) {
  .navbar { padding: 14px 20px; }

  /*  Mobile pannel  */
  .btn-burger { display: flex; }
  .nav-close { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--bg2);
    border-left: 0.5px solid var(--border);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 0;
    padding: 72px 0 40px;
    transform: translateX(110%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    box-shadow: -20px 0 60px rgba(0,0,0,0.5);
    overflow-y: auto;
  }
  .nav-links.mobile-open {
    transform: translateX(0);
    pointer-events: auto;
  }

  /* Nav items */
  .nav-links li {
    display: block;
    width: 100%;
    border-bottom: 0.5px solid var(--border);
  }
  .nav-links li:first-child { border-top: 0.5px solid var(--border); }

  .nav-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 28px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text2) !important;
    background: transparent;
    letter-spacing: 0;
    transition: color 0.2s ease, background 0.2s ease, padding-left 0.2s ease;
  }
  .nav-links a::after {
    content: '→';
    font-size: 14px;
    opacity: 0.4;
    flex-shrink: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .nav-links a:hover {
    color: var(--text) !important;
    background: var(--surface);
    padding-left: 36px;
  }
  .nav-links a:hover::after { transform: translateX(4px); opacity: 1; }

  .nav-links a.nav-active {
    color: var(--accent) !important;
    background: var(--surface);
    padding-left: 36px;
    border-left: 3px solid var(--accent);
  }
  .nav-links a.nav-active::after { opacity: 1; color: var(--accent); }

  .hero-content { flex-direction: column; text-align: center; gap: 24px; }
  .hero-desc { margin: 0 auto 28px; }

  .projects-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }

  /* Scroll sequence mobile: show only text, hide canvas */
  .seq-right { display: none; }
  .seq-left {
    flex: 1;
    width: 100%;
    padding: 0 28px;
    border-right: none;
  }
  .seq-chapter { left: 28px; right: 28px; }
  .seq-sticky { flex-direction: column; }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 24px; }


  .modal-box { padding: 24px; }
  .modal-actions { flex-direction: column; }
  .modal-actions .btn-primary,
  .modal-actions .btn-secondary { text-align: center; }
}

@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .about-stats { flex-direction: column; gap: 16px; }
}