/* ═══════════════════════════════════════════════════
   ALMAKIT.CL — Jorge Iraira · Portfolio Landing
   Author : Jorge Iraira
   ═══════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --clr-bg:         #080c14;
  --clr-bg-2:       #0d1422;
  --clr-bg-card:    #111827;
  --clr-bg-card-2:  #161f30;
  --clr-border:     rgba(255,255,255,.07);
  --clr-border-2:   rgba(99,179,237,.2);

  --clr-primary:    #3b82f6;
  --clr-primary-2:  #60a5fa;
  --clr-accent:     #06b6d4;
  --clr-accent-2:   #22d3ee;
  --clr-purple:     #8b5cf6;

  --clr-text:       #e2e8f0;
  --clr-text-2:     #94a3b8;
  --clr-text-3:     #64748b;

  --clr-green:      #10b981;
  --clr-yellow:     #f59e0b;

  --radius-sm:      8px;
  --radius-md:      14px;
  --radius-lg:      22px;
  --radius-xl:      32px;

  --shadow-glow:    0 0 40px rgba(59,130,246,.18);
  --shadow-card:    0 4px 24px rgba(0,0,0,.5);

  --font-sans:      'Inter', system-ui, sans-serif;
  --font-display:   'Space Grotesk', 'Inter', sans-serif;

  --header-h:       72px;
  --transition:     .25s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Container ── */
.container {
  width: min(1200px, 100%);
  padding-inline: clamp(1rem, 5vw, 3rem);
  margin-inline: auto;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg-2); }
::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 3px; }

/* ════════════════════════════════════════════════════
   HEADER
════════════════════════════════════════════════════ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(8,12,20,.9);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom-color: var(--clr-border);
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  width: 100%;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.nav__logo:hover { opacity: .85; }
.logo-icon {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-dot { color: var(--clr-accent); }

/* Nav menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: .25rem;
  margin-left: auto;
}
.nav__link {
  padding: .4rem .8rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  color: var(--clr-text-2);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover, .nav__link.active {
  color: var(--clr-text);
  background: rgba(255,255,255,.06);
}

/* Actions */
.nav__actions { display: flex; align-items: center; gap: .75rem; }

/* Admin button */
.btn--admin {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem 1rem;
  border-radius: var(--radius-md);
  font-size: .875rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  box-shadow: 0 0 20px rgba(59,130,246,.3);
  transition: box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn--admin:hover {
  box-shadow: 0 0 32px rgba(59,130,246,.55);
  transform: translateY(-1px);
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  display: block;
  width: 100%; height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ════════════════════════════════════════════════════
   BUTTONS
════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}
.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-accent) 100%);
  box-shadow: 0 4px 20px rgba(59,130,246,.35);
}
.btn--primary:hover {
  box-shadow: 0 6px 30px rgba(59,130,246,.55);
  transform: translateY(-2px);
}
.btn--outline {
  color: var(--clr-primary-2);
  background: transparent;
  border: 1.5px solid var(--clr-border-2);
}
.btn--outline:hover {
  background: rgba(59,130,246,.1);
  border-color: var(--clr-primary);
  transform: translateY(-2px);
}
.btn--full { width: 100%; justify-content: center; }

/* ════════════════════════════════════════════════════
   SECTION COMMON
════════════════════════════════════════════════════ */
.section { padding-block: clamp(4rem, 8vw, 7rem); }
.section__header { text-align: center; margin-bottom: 3.5rem; }
.section__tag {
  display: inline-block;
  font-family: monospace;
  font-size: .85rem;
  color: var(--clr-accent);
  background: rgba(6,182,212,.1);
  border: 1px solid rgba(6,182,212,.3);
  padding: .25rem .75rem;
  border-radius: 99px;
  margin-bottom: 1rem;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: .75rem;
}
.section__subtitle { color: var(--clr-text-2); max-width: 560px; margin-inline: auto; }

/* ════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-h);
}

/* Background orbs */
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
}
.hero__orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #3b82f6, transparent 70%);
  top: -200px; left: -150px;
}
.hero__orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #06b6d4, transparent 70%);
  bottom: -150px; right: 5%;
}
.hero__orb--3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  top: 40%; left: 55%;
}
#particlesCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero__content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding-block: 3rem;
}

/* Photo */
.hero__photo-wrap {
  position: relative;
  flex-shrink: 0;
  display: flex;
  justify-content: center;
}
.hero__photo {
  width: clamp(220px, 25vw, 320px);
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid var(--clr-border-2);
  background: var(--clr-bg-card);
  position: relative;
  z-index: 2;
  box-shadow: 0 20px 60px rgba(0,0,0,.5), var(--shadow-glow);
}
.hero__img { width: 100%; height: 100%; object-fit: cover; }
.hero__avatar-fallback {
  display: none;
  width: 100%; height: 100%;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-bg-card-2), #1e2d4a);
  color: var(--clr-primary-2);
  letter-spacing: .05em;
}

.hero__photo-ring {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1.5px solid transparent;
  z-index: 1;
  animation: ringRotate 8s linear infinite;
}
.hero__photo-ring--1 {
  background: linear-gradient(var(--clr-bg), var(--clr-bg)) padding-box,
              conic-gradient(var(--clr-primary), var(--clr-accent), var(--clr-purple), var(--clr-primary)) border-box;
  margin: -10px;
  border-radius: calc(var(--radius-xl) + 10px);
}
.hero__photo-ring--2 {
  animation-direction: reverse;
  animation-duration: 12s;
  background: linear-gradient(var(--clr-bg), var(--clr-bg)) padding-box,
              conic-gradient(var(--clr-accent), var(--clr-purple), var(--clr-primary), var(--clr-accent)) border-box;
  margin: -20px;
  border-radius: calc(var(--radius-xl) + 20px);
}
@keyframes ringRotate {
  to { transform: rotate(360deg); }
}

.hero__status {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: .4rem;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: 99px;
  padding: .35rem 1rem;
  font-size: .78rem;
  font-weight: 500;
  white-space: nowrap;
  color: var(--clr-text-2);
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--clr-green);
  animation: statusPulse 2s ease-in-out infinite;
}
@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,.5); }
  50%       { box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}

/* Hero text */
.hero__text { display: flex; flex-direction: column; gap: 1.25rem; }
.hero__greeting {
  font-size: 1rem;
  color: var(--clr-accent);
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.hero__name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 700;
  line-height: 1.05;
  background: linear-gradient(135deg, #fff 30%, var(--clr-primary-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__roles {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 500;
  color: var(--clr-text-2);
  min-height: 2em;
}
.hero__role-static { color: var(--clr-text-2); }
.hero__typewriter {
  color: var(--clr-accent);
  border-right: 2px solid var(--clr-accent);
  padding-right: 2px;
  animation: blink .75s step-end infinite;
}
@keyframes blink {
  50% { border-color: transparent; }
}
.hero__bio { color: var(--clr-text-2); max-width: 560px; font-size: 1.05rem; }
.hero__ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Stats */
.hero__stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--clr-border);
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-primary-2);
  line-height: 1.1;
}
.stat__label { font-size: .78rem; color: var(--clr-text-3); }
.stat__divider { width: 1px; height: 40px; background: var(--clr-border); }

/* Scroll cta */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  color: var(--clr-text-3);
  animation: scrollBob 2.5s ease-in-out infinite;
  transition: border-color var(--transition), color var(--transition);
}
.hero__scroll:hover { border-color: var(--clr-primary); color: var(--clr-primary); }
@keyframes scrollBob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ════════════════════════════════════════════════════
   SOBRE MÍ
════════════════════════════════════════════════════ */
.sobre-mi { background: var(--clr-bg-2); }
.sobre-mi__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.sobre-mi__text p {
  color: var(--clr-text-2);
  margin-bottom: 1.25rem;
}
.sobre-mi__text strong { color: var(--clr-text); }
.sobre-mi__badges {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.5rem;
}
.badge {
  padding: .35rem .9rem;
  border-radius: 99px;
  font-size: .8rem;
  font-weight: 500;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.25);
  color: var(--clr-primary-2);
}

.sobre-mi__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.info-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}
.info-card:hover {
  border-color: var(--clr-border-2);
  transform: translateY(-3px);
}
.info-card__icon { font-size: 1.75rem; margin-bottom: .75rem; }
.info-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: .5rem;
}
.info-card p { font-size: .875rem; color: var(--clr-text-2); line-height: 1.6; }

/* ════════════════════════════════════════════════════
   SERVICIOS
════════════════════════════════════════════════════ */
.servicios { background: var(--clr-bg); }
.servicios__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--clr-border-2);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
}
.service-card:hover::before { opacity: 1; }

.service-card--highlight {
  background: linear-gradient(145deg, rgba(59,130,246,.12), rgba(6,182,212,.08));
  border-color: rgba(59,130,246,.3);
}
.service-card--highlight:hover { border-color: var(--clr-primary); }

.service-card__number {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--clr-border);
  line-height: 1;
}
.service-card__icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  color: var(--clr-primary-2);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: .75rem;
}
.service-card p { font-size: .875rem; color: var(--clr-text-2); margin-bottom: 1.25rem; line-height: 1.65; }
.service-card__features { display: flex; flex-direction: column; gap: .4rem; }
.service-card__features li {
  font-size: .82rem;
  color: var(--clr-text-3);
  padding-left: 1rem;
  position: relative;
}
.service-card__features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--clr-accent);
}

/* ════════════════════════════════════════════════════
   PORTAFOLIO
════════════════════════════════════════════════════ */
.portafolio { background: var(--clr-bg-2); }

.portafolio__filters {
  display: flex;
  justify-content: center;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: .4rem 1.1rem;
  border-radius: 99px;
  font-size: .875rem;
  font-weight: 500;
  background: transparent;
  border: 1px solid var(--clr-border);
  color: var(--clr-text-2);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn--active {
  background: rgba(59,130,246,.15);
  border-color: var(--clr-primary);
  color: var(--clr-primary-2);
}

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

.project-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--clr-border-2);
  box-shadow: 0 16px 48px rgba(0,0,0,.45);
}
.project-card.hidden { display: none; }

/* Image area */
.project-card__image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.project-card__img-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: .6;
}
.project-card__img--bus   { background: linear-gradient(135deg, #1e3a5f, #0d2137); color: #60a5fa; }
.project-card__img--admin { background: linear-gradient(135deg, #1a1f35, #0d1422); color: #818cf8; }
.project-card__img--mobile{ background: linear-gradient(135deg, #1a2e25, #0d1f1a); color: #34d399; }
.project-card__img--api   { background: linear-gradient(135deg, #2d1a1a, #1f0d0d); color: #f87171; }
.project-card__img--mineduc{ background: linear-gradient(135deg, #2d2a10, #1f1d0a); color: #fbbf24; }

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,12,20,.95), transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition);
}
.project-card:hover .project-card__overlay { opacity: 1; }
.project-card__tags { display: flex; gap: .4rem; flex-wrap: wrap; }
.project-card__tags span {
  padding: .2rem .6rem;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 600;
  background: rgba(59,130,246,.25);
  border: 1px solid rgba(59,130,246,.4);
  color: #93c5fd;
}

/* Content */
.project-card__content { padding: 1.5rem; }
.project-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .75rem;
  gap: .5rem;
}
.project-card__type {
  font-size: .75rem;
  font-weight: 500;
  color: var(--clr-text-3);
}
.project-card__status {
  font-size: .7rem;
  font-weight: 600;
  padding: .18rem .6rem;
  border-radius: 99px;
  white-space: nowrap;
}
.project-card__status--live { background: rgba(16,185,129,.15); color: var(--clr-green); border: 1px solid rgba(16,185,129,.3); }
.project-card__status--dev  { background: rgba(245,158,11,.15); color: var(--clr-yellow); border: 1px solid rgba(245,158,11,.3); }

.project-card__content h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: .6rem;
}
.project-card__content p { font-size: .85rem; color: var(--clr-text-2); line-height: 1.65; margin-bottom: 1rem; }
.project-card__highlights { display: flex; flex-direction: column; gap: .3rem; }
.highlight {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--clr-text-3);
}

/* CTA card */
.project-card--cta {
  background: linear-gradient(145deg, rgba(59,130,246,.08), rgba(6,182,212,.05));
  border-color: rgba(59,130,246,.2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-card__cta-content { padding: 2rem; text-align: center; }
.project-card__cta-icon { font-size: 3rem; margin-bottom: 1rem; }
.project-card__cta-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: .75rem;
}
.project-card__cta-content p { font-size: .9rem; color: var(--clr-text-2); margin-bottom: 1.5rem; }

/* ════════════════════════════════════════════════════
   STACK
════════════════════════════════════════════════════ */
.stack { background: var(--clr-bg); }
.stack__categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.stack__category {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}
.stack__category:hover {
  border-color: var(--clr-border-2);
  transform: translateY(-3px);
}
.stack__category-title {
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--clr-accent);
  margin-bottom: 1rem;
}
.stack__items { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.stack-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .75rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--clr-border);
  font-size: .85rem;
  color: var(--clr-text-2);
  transition: background var(--transition), border-color var(--transition);
}
.stack-item:hover { background: rgba(59,130,246,.08); border-color: rgba(59,130,246,.2); }
.stack-item__icon { font-size: 1rem; }

/* ════════════════════════════════════════════════════
   CONTACTO
════════════════════════════════════════════════════ */
.contacto { background: var(--clr-bg-2); }
.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}

/* Contact info */
.contacto__info { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}
.contact-item:hover { border-color: var(--clr-border-2); }
.contact-item__icon {
  width: 44px; height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2);
  border-radius: var(--radius-sm);
  color: var(--clr-primary-2);
}
.contact-item__label {
  display: block;
  font-size: .75rem;
  color: var(--clr-text-3);
  margin-bottom: .2rem;
}
.contact-item__value {
  font-size: .95rem;
  color: var(--clr-text);
  font-weight: 500;
  transition: color var(--transition);
}
a.contact-item__value:hover { color: var(--clr-primary-2); }

/* Contact form */
.contacto__form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--clr-text-2);
  text-transform: uppercase;
  letter-spacing: .05em;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: .9rem;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-text-3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  background: rgba(59,130,246,.05);
}
.form-group select { cursor: pointer; }
.form-group select option { background: var(--clr-bg-card); color: var(--clr-text); }
.form-group textarea { resize: vertical; min-height: 140px; }

.form-success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem;
  background: rgba(16,185,129,.1);
  border: 1px solid rgba(16,185,129,.3);
  border-radius: var(--radius-sm);
  color: var(--clr-green);
  font-size: .9rem;
  font-weight: 500;
}
.form-success.show { display: flex; }

/* ════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════ */
.footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding-top: 4rem;
}
.footer__content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--clr-border);
}
.footer__brand { display: flex; flex-direction: column; gap: 1rem; }
.footer__brand p { font-size: .875rem; color: var(--clr-text-3); line-height: 1.7; }
.footer__links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.footer__col h5 {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--clr-text-3);
  margin-bottom: 1rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: .5rem; }
.footer__col a {
  font-size: .875rem;
  color: var(--clr-text-2);
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--clr-primary-2); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-block: 1.5rem;
  font-size: .8rem;
  color: var(--clr-text-3);
}

/* ════════════════════════════════════════════════════
   ANIMATIONS (data-aos)
════════════════════════════════════════════════════ */
[data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-aos="fade-right"] { transform: translateX(-24px); }
[data-aos="fade-left"]  { transform: translateX(24px); }
[data-aos].aos-animate  { opacity: 1; transform: translate(0,0); }

/* Delay helpers */
[data-aos-delay="0"]   { transition-delay: 0ms; }
[data-aos-delay="100"] { transition-delay: 100ms; }
[data-aos-delay="200"] { transition-delay: 200ms; }
[data-aos-delay="300"] { transition-delay: 300ms; }
[data-aos-delay="400"] { transition-delay: 400ms; }
[data-aos-delay="500"] { transition-delay: 500ms; }

/* ════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .servicios__grid      { grid-template-columns: repeat(2, 1fr); }
  .portafolio__grid     { grid-template-columns: repeat(2, 1fr); }
  .stack__categories    { grid-template-columns: repeat(2, 1fr); }
  .sobre-mi__grid       { gap: 2rem; }
}

@media (max-width: 768px) {
  /* Nav */
  .nav__menu {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: rgba(8,12,20,.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
    border-bottom: 1px solid var(--clr-border);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }
  .nav__menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav__link { padding: 1rem 2rem; width: 100%; }
  .nav__toggle { display: flex; }

  /* Hero */
  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }
  .hero__photo-wrap { order: -1; }
  .hero__photo { width: clamp(180px, 55vw, 280px); }
  .hero__bio { margin-inline: auto; }
  .hero__ctas { justify-content: center; }
  .hero__stats { justify-content: center; }

  /* Sections */
  .sobre-mi__grid       { grid-template-columns: 1fr; }
  .sobre-mi__cards      { grid-template-columns: 1fr 1fr; }
  .servicios__grid      { grid-template-columns: 1fr; }
  .portafolio__grid     { grid-template-columns: 1fr; }
  .stack__categories    { grid-template-columns: 1fr 1fr; }
  .contacto__grid       { grid-template-columns: 1fr; }
  .footer__content      { grid-template-columns: 1fr; }
  .footer__links        { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .sobre-mi__cards   { grid-template-columns: 1fr; }
  .stack__categories { grid-template-columns: 1fr; }
  .form-row          { grid-template-columns: 1fr; }
  .footer__links     { grid-template-columns: 1fr; }
  .hero__stats       { flex-direction: column; gap: 1rem; }
  .stat__divider     { display: none; }
}