/* =========================================================================
   PORTFOLIO · DIEGO GIL — main.css
   Stack: HTML + CSS + JS puro. Mobile-first. Single file.
   ========================================================================= */

/* ==========================================================================
   1. VARIABLES
   ========================================================================== */

:root {
  /* Paleta */
  --bg: #070014;
  --bg-2: #150028;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.18);

  --text: #f2edff;
  --text-soft: #c8b6ff;
  --text-mute: #8a7cae;

  --cyan: #00f7ff;
  --pink: #ff00cc;
  --purple: #6a00ff;
  --yellow: #ffc857;

  /* Layout */
  --maxw: 1240px;
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* Sombras */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.55);

  /* Transiciones */
  --t-fast: 0.2s ease;
  --t-base: 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  --t-slow: 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);

  /* Tipografía */
  --font-display: 'Orbitron', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;
}

/* ==========================================================================
   2. RESET + BASE
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 15% 10%, rgba(106, 0, 255, 0.22), transparent 55%),
    radial-gradient(ellipse 70% 60% at 85% 90%, rgba(255, 0, 200, 0.14), transparent 55%),
    linear-gradient(180deg, var(--bg), #0d0020);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

ul {
  list-style: none;
}

::selection {
  background: rgba(0, 247, 255, 0.3);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   3. CONTAINER + SECTIONS
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
  position: relative;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 700;
  text-align: center;
  letter-spacing: 1px;
  margin-bottom: 56px;
  background: linear-gradient(90deg, var(--cyan), var(--pink), var(--purple), var(--cyan));
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientFlow 10s linear infinite;
}

@keyframes gradientFlow {
  to {
    background-position: 300% 50%;
  }
}

/* ==========================================================================
   4. NAVEGACIÓN
   ========================================================================== */

.nav {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  pointer-events: none;
}

.nav-pill {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px 8px 28px;
  background: linear-gradient(90deg, rgba(31, 0, 58, 0.85), rgba(58, 0, 112, 0.85));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-md);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  position: relative;
  transition: color var(--t-fast);
  padding: 4px 0;
}

.nav-links a:not(.btn-contacto)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--yellow);
  transition: width var(--t-fast);
}

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

.nav-links a:not(.btn-contacto):hover::after {
  width: 100%;
}

.btn-contacto {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--pink), var(--yellow));
  color: #1a0033 !important;
  font-weight: 600;
  transition: box-shadow var(--t-fast), transform var(--t-fast);
}

.btn-contacto:hover {
  box-shadow: 0 0 20px rgba(255, 200, 87, 0.5);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: rgba(31, 0, 58, 0.9);
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}

/* ==========================================================================
   5. HERO
   ========================================================================== */

.hero {
  min-height: 100vh;
  min-height: 100svh;
  position: relative;
  display: flex;
  align-items: center;
  padding: 120px 0 96px;
  background: url('../img/hero-sky.webp') center/cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(7, 0, 20, 0.7) 0%,
    rgba(15, 0, 40, 0.6) 40%,
    rgba(20, 0, 60, 0.55) 100%);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  right: -10%;
  bottom: -30%;
  width: 70%;
  height: 90%;
  background: radial-gradient(circle, rgba(255, 100, 0, 0.18), transparent 60%);
  pointer-events: none;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.hero-photo {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 60px rgba(255, 0, 200, 0.5),
    0 0 120px rgba(0, 247, 255, 0.25);
  animation: photoIn 1.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes photoIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(64px, 11vw, 156px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--pink), var(--cyan));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientFlow 8s linear infinite;
  text-shadow: 0 0 30px rgba(79, 223, 255, 0.2);
}

.hero-name span {
  display: block;
}

.hero-info {
  margin-top: 32px;
  padding: 22px 26px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  max-width: 560px;
  animation: fadeUp 1.2s 0.4s both cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-sub {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--cyan), #6fd3ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1.15;
  background: linear-gradient(90deg, var(--yellow), #ff9e00, var(--pink));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientFlow 6s linear infinite;
}

/* ==========================================================================
   6. SOBRE MÍ
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text {
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.75;
  color: var(--text-soft);
  margin-bottom: 32px;
}

.about-text strong {
  color: var(--cyan);
  font-weight: 600;
}

.atributos {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.atributos > div {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--surface);
  border: 1px solid rgba(0, 247, 255, 0.3);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 14px;
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.atributos > div span {
  font-size: 20px;
  line-height: 1;
}

.atributos > div:hover {
  transform: translateY(-4px);
  border-color: var(--pink);
  box-shadow: 0 0 20px rgba(255, 0, 200, 0.25);
}

/* Code window */
.code-window {
  background: linear-gradient(180deg, #0b0320, #12052a);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.6),
    0 0 30px rgba(0, 247, 255, 0.18);
  transition: transform var(--t-base), box-shadow var(--t-base);
}

.code-window:hover {
  transform: translateY(-4px);
  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.6),
    0 0 36px rgba(0, 247, 255, 0.3),
    0 0 80px rgba(255, 0, 200, 0.2);
}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.file-name {
  margin-left: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  color: #cfcfff;
  letter-spacing: 0.5px;
}

.code-content {
  margin: 0;
  padding: 18px 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: #cfd7ff;
  overflow-x: auto;
  white-space: pre;
}

.code-content .keyword { color: #ff7edb; }
.code-content .class { color: var(--cyan); }
.code-content .type { color: var(--yellow); }
.code-content .string { color: #00ffa6; }
.code-content .value { color: #00ffa6; }
.code-content .comment { color: #7a6dff; font-style: italic; }

/* ==========================================================================
   7. STACK
   ========================================================================== */

.stack-cat {
  margin-bottom: 56px;
}

.stack-cat:last-child {
  margin-bottom: 0;
}

.stack-cat-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 12px;
  color: var(--cyan);
  border-bottom: 1px solid var(--border);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.tech-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 22px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.tech-card:hover {
  transform: translateY(-4px);
}

.tech-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 12px;
  transition: transform var(--t-base);
}

.tech-card:hover .tech-icon {
  transform: rotate(6deg) scale(1.1);
}

.tech-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1.2;
}

.tech-card p {
  font-size: 12.5px;
  color: var(--text-mute);
  line-height: 1.4;
  margin: 0;
}

/* Color modifiers — hover only, sin pulse infinito (con 12 cards saturaba) */
.tech-card--java:hover      { border-color: #ff4c4c; box-shadow: 0 0 24px rgba(255, 76, 76, 0.45); }
.tech-card--spring:hover    { border-color: #6db33f; box-shadow: 0 0 24px rgba(109, 179, 63, 0.45); }
.tech-card--node:hover      { border-color: #5fa04e; box-shadow: 0 0 24px rgba(95, 160, 78, 0.45); }
.tech-card--php:hover       { border-color: #8993be; box-shadow: 0 0 24px rgba(137, 147, 190, 0.45); }
.tech-card--postgres:hover  { border-color: #4d8fc7; box-shadow: 0 0 24px rgba(77, 143, 199, 0.45); }
.tech-card--cockroach:hover { border-color: #6933ff; box-shadow: 0 0 24px rgba(105, 51, 255, 0.5); }
.tech-card--mysql:hover     { border-color: #00c3ff; box-shadow: 0 0 24px rgba(0, 195, 255, 0.45); }
.tech-card--sqlite:hover    { border-color: #5fa5d5; box-shadow: 0 0 24px rgba(95, 165, 213, 0.45); }
.tech-card--js:hover        { border-color: #f7df1e; box-shadow: 0 0 24px rgba(247, 223, 30, 0.4); }
.tech-card--html:hover      { border-color: #ff7a18; box-shadow: 0 0 24px rgba(255, 122, 24, 0.45); }
.tech-card--css:hover       { border-color: #2965f1; box-shadow: 0 0 24px rgba(41, 101, 241, 0.45); }
.tech-card--wp:hover        { border-color: #00aff0; box-shadow: 0 0 24px rgba(0, 175, 240, 0.45); }

/* Sequence (Pensar → Construir → Mejorar → Línea tras línea) */
.sequence {
  margin-top: 72px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 32px);
}

.seq-word {
  font-weight: 600;
  text-shadow: 0 0 12px currentColor;
}

.seq-word--think   { color: #ff3b3b; }
.seq-word--build   { color: #ff8c1a; }
.seq-word--improve { color: #ffd600; }
.seq-word--repeat  { color: #00c8ff; }

.seq-conn {
  width: 28px;
  height: 2px;
  background: linear-gradient(to right, rgba(255, 0, 0, 0.55), rgba(0, 217, 255, 0.5));
  border-radius: 1px;
}

/* ==========================================================================
   8. PROYECTOS
   ========================================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 247, 255, 0.4);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.5),
    0 0 25px rgba(0, 247, 255, 0.2);
}

.project-media {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1f003a, #2b0050);
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.project-card:hover .project-media img {
  transform: scale(1.04);
}

.project-media-icon {
  font-size: 80px;
  line-height: 1;
  filter:
    drop-shadow(0 0 18px rgba(0, 247, 255, 0.45))
    drop-shadow(0 0 35px rgba(255, 0, 200, 0.2));
  transition: transform var(--t-slow);
}

.project-card:hover .project-media-icon {
  transform: scale(1.08) rotate(-4deg);
}

/* Variantes de fondo por proyecto */
.project-media--canarias  { background: linear-gradient(135deg, #0c2461, #1e3799 60%, #4a69bd); }
.project-media--anime     { background: linear-gradient(135deg, #1a0008, #c8002a 55%, #2a0010); }
.project-media--tinerpay  { background: linear-gradient(135deg, #2c0e4f, #6933ff 60%, #ff00cc); }
.project-media--postgres  { background: linear-gradient(135deg, #1e3a5f, #336791 60%, #5fa5d5); }
.project-media--garage    { background: linear-gradient(135deg, #4a1d00, #ff7a18 60%, #ffb14a); }
.project-media--miniature { background: linear-gradient(135deg, #4d0a0a, #c0392b 60%, #f1c40f); }

.project-body {
  padding: 22px 24px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--cyan);
  line-height: 1.2;
  margin: 0;
}

.project-desc {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text-soft);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.project-badge {
  font-size: 11.5px;
  font-weight: 500;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  background: rgba(0, 247, 255, 0.08);
  border: 1px solid rgba(0, 247, 255, 0.25);
  color: #9ffcff;
  white-space: nowrap;
}

.project-footer {
  padding: 14px 24px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}

.project-link svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.project-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0, 247, 255, 0.08);
  box-shadow: 0 0 16px rgba(0, 247, 255, 0.35);
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: linear-gradient(135deg, rgba(255, 200, 87, 0.2), rgba(255, 0, 200, 0.18));
  border: 1px solid rgba(255, 200, 87, 0.4);
  color: #ffe7a8;
}

/* ==========================================================================
   9. FORMACIÓN
   ========================================================================== */

.timeline {
  max-width: 820px;
  margin: 0 auto;
  padding-left: 48px;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: linear-gradient(to bottom, var(--cyan), var(--pink));
  box-shadow: 0 0 20px rgba(0, 247, 255, 0.5);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -42px;
  top: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 247, 255, 0.6);
  border: 3px solid var(--bg);
}

.timeline-content {
  padding: 22px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.timeline-content:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 18px rgba(0, 247, 255, 0.2);
}

.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--cyan);
  margin-bottom: 8px;
  line-height: 1.25;
}

.timeline-content p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-soft);
  margin: 0;
}

/* ==========================================================================
   10. CONTACTO
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.contact-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 4px;
  color: var(--pink);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  background: linear-gradient(90deg, var(--cyan), var(--pink), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 28px;
  line-height: 1.1;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 247, 255, 0.25);
}

.contact-card .icon {
  font-size: 22px;
  color: var(--cyan);
  transition: transform var(--t-base);
}

.contact-card:hover .icon {
  transform: scale(1.15) rotate(6deg);
}

.contact-card-title {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact-card p:last-child {
  font-size: 14px;
  color: var(--text);
  margin: 0;
}

.contact-text {
  padding-left: 32px;
  border-left: 2px solid var(--pink);
}

.contact-quote {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.5;
  margin-bottom: 16px;
  background: linear-gradient(90deg, #ffffff, #cfcfff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.contact-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-soft);
}

/* ==========================================================================
   11. FOOTER
   ========================================================================== */

.site-footer {
  padding: 32px 0;
  text-align: center;
  border-top: 1px solid var(--border);
  background: rgba(10, 0, 30, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.site-footer-name {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0, 247, 255, 0.4);
}

.site-footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-soft);
}

.site-footer-links a {
  color: var(--pink);
  transition: color var(--t-fast), text-shadow var(--t-fast);
}

.site-footer-links a:hover {
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan);
}

.site-footer-sep {
  opacity: 0.4;
}

/* ==========================================================================
   12. REVEAL ON SCROLL
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: opacity, transform;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   13. RESPONSIVE
   ========================================================================== */

/* Tablet horizontal y por debajo */
@media (max-width: 1024px) {
  section {
    padding: 80px 0;
  }

  .hero-grid {
    grid-template-columns: 260px 1fr;
    gap: 40px;
  }

  .hero-photo {
    width: 260px;
    height: 260px;
  }

  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-text {
    padding-left: 0;
    padding-top: 24px;
    border-left: none;
    border-top: 2px solid var(--pink);
  }
}

/* Móvil */
@media (max-width: 720px) {
  section {
    padding: 64px 0;
  }

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

  .hero {
    padding: 100px 0 64px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .hero-photo {
    width: 200px;
    height: 200px;
    margin: 0 auto;
  }

  .hero-info {
    margin: 32px auto 0;
    text-align: center;
  }

  /* Nav: pill se oculta, hamburger entra */
  .nav {
    justify-content: flex-end;
  }

  .nav-pill {
    display: none;
  }

  .hamburger {
    display: flex;
    pointer-events: auto;
  }

  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    background: rgba(7, 0, 20, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    gap: 32px;
    z-index: 99;
    padding: 80px 24px;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    font-size: 22px;
    padding: 8px 0;
  }

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

  .hamburger.is-open span:nth-child(2) {
    opacity: 0;
  }

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

  .atributos {
    justify-content: center;
  }

  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .tech-card {
    padding: 18px 14px;
  }

  .tech-icon {
    width: 38px;
    height: 38px;
  }

  .tech-card h3 {
    font-size: 14.5px;
  }

  .tech-card p {
    font-size: 11.5px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .timeline {
    padding-left: 36px;
  }

  .timeline-item::before {
    left: -30px;
  }

  .sequence {
    margin-top: 48px;
    gap: 12px;
    font-size: clamp(18px, 5.5vw, 28px);
  }

  .seq-conn {
    width: 20px;
  }

  .code-content {
    font-size: 11.5px;
    padding: 14px 16px;
  }

  .contact-card-title {
    font-size: 10.5px;
  }
}

/* Pantallas muy pequeñas */
@media (max-width: 380px) {
  .container {
    padding: 0 16px;
  }

  .hero-photo {
    width: 170px;
    height: 170px;
  }

  .tech-grid {
    grid-template-columns: 1fr;
  }

  .atributos {
    gap: 8px;
  }

  .atributos > div {
    padding: 10px 16px;
    font-size: 13px;
  }

  .project-badge {
    font-size: 11px;
  }
}