/* ============================================================
                Alessandro's Portfolio 
   * Author : Luis Paolo Alessandro Paiz Cabrera
   * COPYRIGHT    : Copyright (c) 2026 Luis Paolo Alessandro Paiz Cabrera
   ============================================================ */


:root {
  --bg:          #050505;
  --bg-2:        #0d0d0d;
  --bg-3:        #111111;
  --border:      #1f1f1f;
  --border-2:    #2a2a2a;
  --text:        #ffffff;
  --text-2:      #b5b5b5;
  --text-3:      #6a6a6a;
  --accent:      #4f8cff;
  --accent-dim:  rgba(79, 140, 255, 0.12);
  --accent-glow: rgba(79, 140, 255, 0.25);
  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --nav-h:       68px;
  --transition:  all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.cursor-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,140,255,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  top: 0; left: 0;
}
@media (hover: none) {
  .cursor-glow { display: none; }
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }

::selection { background: var(--accent-dim); color: var(--accent); }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  transition: var(--transition);
}
.nav-logo:hover { color: var(--accent); }
.logo-bracket { color: var(--accent); }

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

.nav-link {
  padding: 0.4rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--text-2);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-link.active { color: var(--accent); }

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

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  transition: var(--transition);
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); }
.lang-icon { font-size: 0.9rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-2);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.hero {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 5rem) 0 5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-bg-code {
  position: absolute;
  top: 50%;
  right: -5%;
  transform: translateY(-50%);
  opacity: 0.035;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--accent);
  white-space: pre;
  user-select: none;
}

.hero-container {
  container: hero / inline-size;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 4rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: var(--accent-dim);
  border: 1px solid rgba(79,140,255,0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #a0b8ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 400;
  color: var(--text-2);
  margin-bottom: 1.75rem;
}
.hero-title-sep { color: var(--text-3); }
.hero-title-typewriter { color: var(--accent); font-weight: 600; }
.cursor-blink {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: 0.925rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: #6a9fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79,140,255,0.35);
}
.btn-ghost {
  border: 1px solid var(--border-2);
  color: var(--text-2);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.hero-visual { position: relative; display: flex; justify-content: center; }

.photo-wrapper {
  position: relative;
  width: 280px;
  height: 340px;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

.photo-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse at center, rgba(79,140,255,0.2) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(20px);
  z-index: 0;
}

.photo-frame {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  background: var(--bg-2);
  border: 1px solid var(--border);
  overflow: hidden;
}
.photo-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.photo-placeholder {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
.photo-initials {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  color: var(--accent-dim);
  line-height: 1;
}
.photo-hint { font-size: 0.75rem; color: var(--text-3); font-family: var(--font-mono); }

.photo-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(79,140,255,0.15);
  z-index: 1;
  animation: ring-pulse 4s ease-in-out infinite;
}
.ring-1 { inset: -20px; animation-delay: 0s; }
.ring-2 { inset: -40px; animation-delay: 1.5s; }
@keyframes ring-pulse {
  0%,100% { opacity: 0.3; }
  50%      { opacity: 0.7; }
}

.hero-stats {
  max-width: 1140px;
  margin: 4rem auto 0;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 500px;
  overflow: hidden;
}
.stat-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stat-plus { font-size: 1.5rem; }
.stat-label {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

.section {
  padding: 7rem 0;
  position: relative;
}
.section:nth-child(even) { background: var(--bg-2); }

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.section-subtitle {
  margin-top: 0.75rem;
  font-size: 1rem;
  color: var(--text-2);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.85;
  margin-bottom: 1.25rem;
}
.about-text p:last-of-type { margin-bottom: 1.75rem; }

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag {
  padding: 0.35rem 0.85rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-2);
  transition: var(--transition);
}
.tag:hover { border-color: var(--accent); color: var(--accent); }

.about-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.info-list { display: flex; flex-direction: column; gap: 0; }
.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.info-item:last-child { border-bottom: none; }
.info-key { color: var(--text-3); }
.info-val { color: var(--text); font-weight: 500; }
.info-status { display: flex; align-items: center; gap: 0.5rem; }
.status-dot {
  width: 7px; height: 7px;
  background: #3ecf8e;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.skill-group {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--transition);
}
.skill-group:hover { border-color: var(--border-2); }

.skill-group-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.skill-group-icon { color: var(--accent); font-size: 1rem; }
.skill-group-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.skill-cards { display: flex; flex-direction: column; gap: 0.75rem; }

.skill-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glow-color, transparent);
  opacity: 0;
  transition: opacity 0.3s;
  border-radius: inherit;
}
.skill-card:hover {
  border-color: var(--border);
  background: rgba(255,255,255,0.03);
  transform: translateX(4px);
}
.skill-card:hover::before { opacity: 0.06; }

.skill-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-2);
  flex-shrink: 0;
  transition: var(--transition);
}
.skill-card:hover .skill-icon { color: var(--accent); border-color: var(--accent-dim); }

.skill-name {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text);
  flex: 1;
}
.skill-level {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  border-color: var(--border-2);
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.5);
}

.project-thumbnail { height: 180px; overflow: hidden; }
.project-thumb-bg {
  width: 100%; height: 100%;
  background: linear-gradient(135deg,
    rgba(var(--accent-rgb, 79,140,255), 0.08) 0%,
    rgba(5,5,5,1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.project-thumb-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(79,140,255,0.1) 0%, transparent 60%);
}
.project-card:nth-child(1) .project-thumb-bg {
  background: linear-gradient(135deg, rgba(114,137,218,0.12) 0%, var(--bg) 100%);
}
.project-card:nth-child(1) .project-thumb-bg::before {
  background: radial-gradient(circle at 30% 50%, rgba(114,137,218,0.15) 0%, transparent 60%);
}
.project-card:nth-child(2) .project-thumb-bg {
  background: linear-gradient(135deg, rgba(79,140,255,0.12) 0%, var(--bg) 100%);
}
.project-card:nth-child(3) .project-thumb-bg {
  background: linear-gradient(135deg, rgba(168,85,247,0.12) 0%, var(--bg) 100%);
}
.project-card:nth-child(3) .project-thumb-bg::before {
  background: radial-gradient(circle at 30% 50%, rgba(168,85,247,0.15) 0%, transparent 60%);
}
.thumb-icon {
  position: relative; z-index: 1;
  color: rgba(255,255,255,0.3);
  transition: var(--transition);
}
.project-card:hover .thumb-icon { color: rgba(255,255,255,0.6); transform: scale(1.1); }

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-meta { margin-bottom: 0.5rem; }
.project-type {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}
.tech-badge {
  padding: 0.2rem 0.6rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-2);
}

.project-footer { margin-top: auto; }
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-3);
  transition: var(--transition);
}
.project-link:hover { color: var(--accent); }

.timeline {
  max-width: 680px;
  margin: 0 auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 1.5rem;
}

.tl-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
}
.tl-pending {
  border: 2px solid var(--border-2);
  background: var(--bg);
}
.tl-pending::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--text-3);
}

.timeline-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: var(--transition);
}
.timeline-card:hover { border-color: var(--border-2); }

.cert-badge-wrap { flex-shrink: 0; }
.cert-badge {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
}

.cert-info { flex: 1; }
.cert-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}
.cert-org {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 0.5rem;
}
.cert-status {
  display: inline-flex;
  padding: 0.2rem 0.6rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
}

.timeline-add {
  margin-left: calc(48px + 1.5rem);
}
.timeline-add-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  font-size: 0.85rem;
  color: var(--text-3);
}
.add-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--card-color, var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}
.contact-card:hover {
  border-color: var(--border-2);
  transform: translateX(4px);
}
.contact-card:hover::before { opacity: 1; }

.contact-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  flex-shrink: 0;
  transition: var(--transition);
}
.contact-card:hover .contact-icon {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  flex: 1;
}
.contact-platform {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}
.contact-handle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
}
.contact-arrow {
  color: var(--text-3);
  font-size: 1.1rem;
  transition: var(--transition);
}
.contact-card:hover .contact-arrow { color: var(--text); transform: translateX(4px); }

.contact-card[data-color="#43e97b"] { --card-color: #43e97b; }
.contact-card[data-color="#6e40c9"] { --card-color: #6e40c9; }
.contact-card[data-color="#4f8cff"] { --card-color: #4f8cff; }

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: var(--bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-2);
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--text-3);
}
.back-top {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-size: 1rem;
  transition: var(--transition);
}
.back-top:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

@media (max-width: 820px) {
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    background: rgba(5,5,5,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.15rem;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-link {
    padding: 0.85rem 1rem;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    width: 100%;
  }
  .nav-link:active { background: var(--accent-dim); }
}

/* ── TABLET ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .section { padding: 5rem 0; }

  .hero {
    padding: calc(var(--nav-h) + 3rem) 0 3rem;
    min-height: auto;
  }
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  .hero-visual { display: none; }
  .hero-badge { margin: 0 auto 1.25rem; }
  .hero-desc {
    margin: 0 auto 2rem;
    font-size: 1rem;
  }
  .hero-cta { justify-content: center; }
  .hero-title-wrap { justify-content: center; }
  .hero-stats {
    margin: 2.5rem auto 0;
    max-width: 420px;
  }

  .about-grid { grid-template-columns: 1fr; }
  .about-card { max-width: 100%; }

  .section-header { margin-bottom: 2.5rem; }
  .section-title { font-size: clamp(1.75rem, 5vw, 2.5rem); }
}

/* ── PHONE ───────────────────────────────────────────────── */
@media (max-width: 600px) {
  :root { --nav-h: 60px; }

  .container { padding: 0 1.25rem; }

  .hero { padding: calc(var(--nav-h) + 2.5rem) 0 2.5rem; }
  .hero-name { font-size: clamp(2.75rem, 12vw, 4rem); }
  .hero-title-wrap { font-size: 1.1rem; gap: 0.35rem; flex-wrap: wrap; }
  .hero-desc { font-size: 0.95rem; }
  .hero-cta { flex-direction: column; align-items: center; gap: 0.6rem; }
  .btn { width: 100%; max-width: 280px; justify-content: center; padding: 0.85rem 1.5rem; }

  .hero-stats {
    flex-direction: row;
    max-width: 100%;
    border-radius: var(--radius-md);
  }
  .stat-card { padding: 1.1rem 0.5rem; }
  .stat-number { font-size: 1.75rem; }
  .stat-divider { width: 1px; height: 32px; }

  .skills-grid { grid-template-columns: 1fr; gap: 1rem; }
  .skill-group { padding: 1.25rem; }
  .skill-cards { gap: 0.5rem; }

  .projects-grid { grid-template-columns: 1fr; gap: 1rem; }
  .project-thumbnail { height: 140px; }

  .timeline-item { grid-template-columns: 36px 1fr; gap: 1rem; }
  .timeline-card { flex-direction: column; gap: 0.75rem; padding: 1.25rem; }
  .timeline-add { margin-left: calc(36px + 1rem); }

  .contact-card { padding: 1rem 1.1rem; gap: 0.9rem; }
  .contact-icon { width: 38px; height: 38px; }

 
  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
  }
  .footer-copy { order: 2; font-size: 0.75rem; }
  .footer-logo { order: 1; }
  .back-top { order: 3; }


  .section { padding: 4rem 0; }
  .section-header { margin-bottom: 2rem; }
}

@media (max-width: 360px) {
  .hero-name { font-size: 2.5rem; }
  .btn { max-width: 100%; }
  .stat-label { font-size: 0.7rem; }
  .project-body { padding: 1.1rem; }
}


@media (hover: none) {
  .skill-card:hover { transform: none; }
  .project-card:hover { transform: none; box-shadow: none; }
  .btn-primary:hover { transform: none; box-shadow: none; }
  .btn-ghost:hover { transform: none; }
  .contact-card:hover { transform: none; }
  .skill-card:active { background: rgba(255,255,255,0.04); }
  .project-card:active { border-color: var(--border-2); }
  .contact-card:active { border-color: var(--border-2); }
  .btn-primary:active { background: #6a9fff; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .photo-wrapper { animation: none !important; }
}

/* ============================================================
                Alessandro's Portfolio 
   * Author : Luis Paolo Alessandro Paiz Cabrera
   * COPYRIGHT    : Copyright (c) 2026 Luis Paolo Alessandro
   ============================================================ */