/* ========================================
   VARIABLES & THEMES
======================================== */
:root {
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.25s ease;
}

[data-theme="dark"] {
  --bg:            #0a0a0f;
  --bg-alt:        #0f0f17;
  --bg-card:       #14141e;
  --border:        rgba(255,255,255,0.07);
  --border-hover:  rgba(255,255,255,0.18);
  --text:          #f0f0f5;
  --text-muted:    #8888aa;
  --text-faint:    #555570;
  --accent:        #7c6af7;
  --accent-hover:  #9b8dff;
  --accent-glow:   rgba(124,106,247,0.22);
  --nav-bg:        rgba(10,10,15,0.88);
  --grid-color:    rgba(124,106,247,0.05);
  --skill-bg:      rgba(255,255,255,0.07);
  --skill-fill:    linear-gradient(90deg,#7c6af7,#a78bfa);
  --shadow:        rgba(0,0,0,0.25);
}

[data-theme="light"] {
  --bg:            #fafafa;
  --bg-alt:        #f2f2f7;
  --bg-card:       #ffffff;
  --border:        rgba(0,0,0,0.08);
  --border-hover:  rgba(0,0,0,0.2);
  --text:          #111118;
  --text-muted:    #666680;
  --text-faint:    #aaaacc;
  --accent:        #5b4de0;
  --accent-hover:  #4a3cc9;
  --accent-glow:   rgba(91,77,224,0.13);
  --nav-bg:        rgba(250,250,250,0.9);
  --grid-color:    rgba(91,77,224,0.04);
  --skill-bg:      rgba(0,0,0,0.06);
  --skill-fill:    linear-gradient(90deg,#5b4de0,#7c6af7);
  --shadow:        rgba(0,0,0,0.08);
}

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

html {
  scroll-behavior: smooth;
}

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
strong { font-weight: 600; color: var(--text); }
h1, h2, h3 { line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }

/* ========================================
   LAYOUT
======================================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }
.section-alt { background-color: var(--bg-alt); }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--text);
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ========================================
   BUTTONS
======================================== */
.btn {
  display: -webkit-inline-flex;
  display: inline-flex;
  -webkit-align-items: center;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  -webkit-transition: all var(--transition);
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  -webkit-transform: translateY(-2px);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-outline {
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  -webkit-transform: translateY(-2px);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.83rem;
}

/* ========================================
   NAVBAR
======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--nav-bg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  -webkit-transition: background-color var(--transition);
  transition: background-color var(--transition);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  -webkit-transition: color var(--transition);
  transition: color var(--transition);
}

.nav-logo:hover { color: var(--accent); }
.accent { color: var(--accent); }

.nav-links {
  display: -webkit-flex;
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  -webkit-transition: color var(--transition);
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--text); }

.nav-actions {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background-color: var(--bg-card);
  cursor: pointer;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  font-size: 1rem;
  -webkit-transition: all var(--transition);
  transition: all var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
}

[data-theme="dark"] .icon-sun  { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: block; }

.nav-menu-btn {
  display: none;
  -webkit-flex-direction: column;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text);
  border-radius: 2px;
  -webkit-transition: all var(--transition);
  transition: all var(--transition);
}

.nav-mobile {
  display: none;
  -webkit-flex-direction: column;
  flex-direction: column;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  gap: 4px;
}

.nav-mobile.open { display: -webkit-flex; display: flex; }

.nav-mobile a {
  padding: 10px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
  -webkit-transition: color var(--transition);
  transition: color var(--transition);
}

.nav-mobile a:hover { color: var(--text); }

/* ========================================
   HERO
======================================== */
.hero {
  min-height: 100vh;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 80px 24px 60px;
}

.hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  -webkit-animation: fadeUp 0.8s ease both;
  animation: fadeUp 0.8s ease both;
}

.hero-title {
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 4px;
  color: var(--text);
}

.hero-name {
  background: -webkit-linear-gradient(135deg, var(--accent), #c084fc);
  background: linear-gradient(135deg, var(--accent), #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 18px 0 16px;
  letter-spacing: 0.03em;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-actions {
  display: -webkit-flex;
  display: flex;
  gap: 14px;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero-social {
  display: -webkit-flex;
  display: flex;
  gap: 16px;
  -webkit-justify-content: center;
  justify-content: center;
}

.social-link {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  -webkit-transition: color var(--transition);
  transition: color var(--transition);
}

.social-link svg { width: 18px; height: 18px; }
.social-link:hover { color: var(--accent); }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  -webkit-align-items: center;
  align-items: center;
  gap: 8px;
  color: var(--text-faint);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  -webkit-animation: fadeIn 1.5s ease 1s both;
  animation: fadeIn 1.5s ease 1s both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: -webkit-linear-gradient(to bottom, var(--text-faint), transparent);
  background: linear-gradient(to bottom, var(--text-faint), transparent);
  -webkit-animation: scrollLine 2s ease-in-out infinite;
  animation: scrollLine 2s ease-in-out infinite;
}

/* ========================================
   ABOUT
======================================== */
.about-grid {
  display: -webkit-flex;
  display: flex;
  gap: 48px;
  -webkit-align-items: start;
  align-items: start;
}

.about-text { -webkit-flex: 1; flex: 1; }

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.02rem;
  line-height: 1.75;
}

.about-links {
  display: -webkit-flex;
  display: flex;
  gap: 14px;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  margin-top: 28px;
}

.about-card {
  width: 320px;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  -webkit-transition: border-color var(--transition);
  transition: border-color var(--transition);
}

.about-card:hover { border-color: var(--border-hover); }

.about-info {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  gap: 16px;
}

.info-item {
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-align-items: center;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.info-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-label {
  font-size: 0.78rem;
  color: var(--text-faint);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.info-value {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 500;
  text-align: right;
}

.info-value a {
  color: var(--accent);
  -webkit-transition: color var(--transition);
  transition: color var(--transition);
}

.info-value a:hover { color: var(--accent-hover); }

/* ========================================
   SKILLS
======================================== */
.skills-grid {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 20px;
}

.skill-card {
  -webkit-flex: 1 1 220px;
  flex: 1 1 220px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  -webkit-transition: all var(--transition);
  transition: all var(--transition);
}

.skill-card:hover {
  border-color: var(--border-hover);
  -webkit-transform: translateY(-4px);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--shadow);
}

.skill-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  margin-bottom: 14px;
}

.skill-icon svg { width: 24px; height: 24px; }

.skill-icon--php        { background-color: rgba(119,123,180,0.15); color: #777bb4; }
.skill-icon--js         { background-color: rgba(247,223,30,0.12);  color: #f7df1e; }
.skill-icon--html       { background-color: rgba(227,76,38,0.12);   color: #e34c26; }
.skill-icon--css        { background-color: rgba(38,77,228,0.12);   color: #264de4; }
.skill-icon--laravel    { background-color: rgba(255,45,32,0.12);   color: #ff2d20; }
.skill-icon--mysql      { background-color: rgba(0,117,143,0.12);   color: #00758f; }
.skill-icon--git        { background-color: rgba(240,80,50,0.12);   color: #f05032; }
.skill-icon--responsive { background-color: rgba(124,106,247,0.12); color: var(--accent); }

.skill-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.skill-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.5;
}

.skill-bar {
  height: 4px;
  background-color: var(--skill-bg);
  border-radius: 100px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: var(--w);
  background: var(--skill-fill);
  border-radius: 100px;
  -webkit-transform-origin: left;
  transform-origin: left;
  -webkit-animation: growWidth 1.2s cubic-bezier(0.4,0,0.2,1) both;
  animation: growWidth 1.2s cubic-bezier(0.4,0,0.2,1) both;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
  -webkit-animation-play-state: paused;
  animation-play-state: paused;
}

/* ========================================
   PROJECTS
======================================== */
.projects-grid {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 24px;
}

.project-card {
  -webkit-flex: 1 1 300px;
  flex: 1 1 300px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  -webkit-transition: all var(--transition);
  transition: all var(--transition);
  position: relative;
}

.project-card:hover {
  border-color: var(--border-hover);
  -webkit-transform: translateY(-6px);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px var(--shadow);
}

.project-header {
  padding: 28px 24px 20px;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-align-items: flex-start;
  align-items: flex-start;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.project-header--restaurante  { background: -webkit-linear-gradient(135deg,rgba(255,120,60,0.1),rgba(255,60,60,0.05)); background: linear-gradient(135deg,rgba(255,120,60,0.1),rgba(255,60,60,0.05)); }
.project-header--medico        { background: -webkit-linear-gradient(135deg,rgba(60,180,255,0.1),rgba(60,120,255,0.05)); background: linear-gradient(135deg,rgba(60,180,255,0.1),rgba(60,120,255,0.05)); }
.project-header--concesionario { background: -webkit-linear-gradient(135deg,rgba(60,220,100,0.1),rgba(60,180,60,0.05)); background: linear-gradient(135deg,rgba(60,220,100,0.1),rgba(60,180,60,0.05)); }

.project-icon { font-size: 2.2rem; }

.project-tags {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 6px;
  -webkit-justify-content: flex-end;
  justify-content: flex-end;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 100px;
  background-color: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.project-body {
  padding: 20px 24px;
  -webkit-flex: 1;
  flex: 1;
  position: relative;
  z-index: 2;
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.project-features {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  gap: 6px;
}

.project-features li {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-left: 14px;
  position: relative;
}

.project-features li::before {
  content: '\25B8';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

.project-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: -webkit-flex;
  display: flex;
  gap: 12px;
  -webkit-align-items: center;
  align-items: center;
  position: relative;
  z-index: 2;
}

.project-footer a {
  position: relative;
  z-index: 3;
  pointer-events: auto;
}

.project-footer .btn {
  position: relative;
  z-index: 3;
}

.project-footer button.btn {
  border: none;
}

/* ========================================
   CONTACT
======================================== */
.contact-grid {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
  -webkit-justify-content: center;
  justify-content: center;
}

.contact-card {
  -webkit-flex: 1 1 240px;
  flex: 1 1 240px;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  gap: 16px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  -webkit-transition: all var(--transition);
  transition: all var(--transition);
  cursor: pointer;
}

.contact-card:hover {
  border-color: var(--accent);
  -webkit-transform: translateY(-3px);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px var(--accent-glow);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-glow);
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  color: var(--accent);
}

.contact-icon svg { width: 22px; height: 22px; }

.contact-info {
  -webkit-flex: 1;
  flex: 1;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  gap: 3px;
}

.contact-label {
  font-size: 0.75rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.contact-arrow {
  color: var(--text-faint);
  font-size: 1.1rem;
  -webkit-transition: -webkit-transform var(--transition), color var(--transition);
  transition: transform var(--transition), color var(--transition);
}

.contact-card:hover .contact-arrow {
  -webkit-transform: translateX(4px);
  transform: translateX(4px);
  color: var(--accent);
}

/* ========================================
   FOOTER
======================================== */
.footer {
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.footer-sub {
  font-size: 0.75rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

/* ========================================
   SCROLL REVEAL
======================================== */
.reveal {
  opacity: 0;
  -webkit-transform: translateY(24px);
  transform: translateY(24px);
  -webkit-transition: opacity 0.6s ease, -webkit-transform 0.6s ease;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

/* ========================================
   ANIMATIONS
======================================== */
@-webkit-keyframes fadeUp {
  from { opacity: 0; -webkit-transform: translateY(28px); transform: translateY(28px); }
  to   { opacity: 1; -webkit-transform: translateY(0);    transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@-webkit-keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@-webkit-keyframes pulse {
  0%, 100% { opacity: 1; -webkit-transform: scale(1); transform: scale(1); }
  50%       { opacity: 0.5; -webkit-transform: scale(0.85); transform: scale(0.85); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

@-webkit-keyframes scrollLine {
  0%   { -webkit-transform: scaleY(0); transform: scaleY(0); -webkit-transform-origin: top; transform-origin: top; }
  50%  { -webkit-transform: scaleY(1); transform: scaleY(1); -webkit-transform-origin: top; transform-origin: top; }
  51%  { -webkit-transform: scaleY(1); transform: scaleY(1); -webkit-transform-origin: bottom; transform-origin: bottom; }
  100% { -webkit-transform: scaleY(0); transform: scaleY(0); -webkit-transform-origin: bottom; transform-origin: bottom; }
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@-webkit-keyframes growWidth {
  from { width: 0; }
  to   { width: var(--w); }
}
@keyframes growWidth {
  from { width: 0; }
  to   { width: var(--w); }
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 900px) {
  .about-grid {
    flex-direction: column;
  }

  .about-card {
    width: 100%;
    order: -1;
  }
}

@media (max-width: 720px) {

  .nav-links { display: none; }
  .nav-menu-btn { display: flex; }

  .section { padding: 72px 0; }
  .hero { padding-top: 100px; }

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

  .about-links {
    flex-direction: column;
  }

  .projects-grid,
  .skills-grid {
    flex-direction: column;
  }

  /* PROYECTOS */

  .project-card {
    overflow: visible;
  }

  .project-header {
    padding: 20px 18px 16px;
  }

  .project-body {
    padding: 16px 18px;
  }

  .project-title {
    font-size: 1.4rem;
    margin-bottom: 8px;
  }

  .project-desc {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 12px;
  }

  .project-features {
    gap: 4px;
  }

  .project-features li {
    font-size: 0.9rem;
    padding-left: 12px;
  }

  .project-features li:nth-child(4) {
    display: none;
  }

  .project-footer {
    padding: 16px 18px 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }

  .project-footer .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 480px) {

  .contact-grid {
    flex-direction: column;
  }

  .project-header {
    flex-direction: column;
    gap: 14px;
  }

  .project-tags {
    justify-content: flex-start;
  }

  .container {
    padding: 0 16px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-title {
    font-size: 2rem;
  }

  .section-desc {
    font-size: 0.95rem;
  }

  .project-title {
    font-size: 1.25rem;
  }

  .project-desc {
    font-size: 0.9rem;
  }

  .project-features li {
    font-size: 0.85rem;
  }

  .tag {
    font-size: 0.66rem;
    padding: 3px 8px;
  }

  .project-icon {
    font-size: 2rem;
  }
}