/* =========================================================
   Gustavo Gallegos — Portafolio personal
   CSS organizado por: base, layout, componentes, responsive.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;

  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --bg: #ffffff;
  --bg-subtle: #f6f8fa;
  --surface: #ffffff;
  --surface-2: #f6f8fa;
  --border: #d8dee4;
  --border-strong: #afb8c1;
  --text: #1f2328;
  --text-muted: #59636e;
  --accent: #0969da;
  --accent-hover: #0550ae;
  --accent-soft: rgba(9, 105, 218, 0.08);
  --accent-contrast: #ffffff;
  --brand-contrast: #ffffff;
  --success: #1a7f37;
  --danger: #cf222e;
  --header-bg: rgba(255, 255, 255, 0.82);
  --grid-line: rgba(31, 35, 40, 0.06);
  --shadow: 0 1px 2px rgba(31, 35, 40, 0.04), 0 10px 30px rgba(31, 35, 40, 0.06);
  --shadow-lg: 0 18px 50px rgba(31, 35, 40, 0.12);
  --ring: rgba(9, 105, 218, 0.32);
  --code-key: #cf222e;
  --code-string: #0a3069;

  --hero-glow:
    radial-gradient(ellipse 75% 60% at 72% 18%, rgba(9, 105, 218, 0.10), transparent 62%),
    radial-gradient(ellipse 55% 55% at 8% 82%, rgba(45, 164, 78, 0.07), transparent 65%);
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0d1117;
  --bg-subtle: #0b0f15;
  --surface: #161b22;
  --surface-2: #21262d;
  --border: #30363d;
  --border-strong: #484f58;
  --text: #e6edf3;
  --text-muted: #9aa4af;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --accent-soft: rgba(88, 166, 255, 0.12);
  --accent-contrast: #0d1117;
  --brand-contrast: #0d1117;
  --success: #3fb950;
  --danger: #f85149;
  --header-bg: rgba(13, 17, 23, 0.82);
  --grid-line: rgba(230, 237, 243, 0.05);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 10px 30px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.45);
  --ring: rgba(88, 166, 255, 0.38);
  --code-key: #ff7b72;
  --code-string: #a5d6ff;

  --hero-glow:
    radial-gradient(ellipse 75% 60% at 72% 18%, rgba(88, 166, 255, 0.16), transparent 62%),
    radial-gradient(ellipse 55% 55% at 8% 82%, rgba(63, 185, 80, 0.10), transparent 65%);
}

/* ---------- Reset / base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
textarea {
  font-family: var(--font-sans);
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  cursor: pointer;
}

ul,
ol {
  padding: 0;
  margin: 0;
  list-style: none;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

/* ---------- Layout ---------- */
.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.section--subtle {
  background: var(--bg-subtle);
  border-block: 1px solid var(--border);
}

.section__header {
  max-width: 760px;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section__header h2 {
  margin-top: 0.6rem;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.section__header p:not(.eyebrow) {
  max-width: 65ch;
  margin: 1rem 0 0;
  color: var(--text-muted);
}

/* ---------- Utilidades ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 16%, transparent);
}

.gradient-text {
  color: transparent;
  background: linear-gradient(120deg, var(--text) 18%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.65rem 0.9rem;
  font-weight: 600;
  color: var(--accent-contrast);
  background: var(--accent);
  border-radius: 0.5rem;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  height: 4.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--brand-contrast);
  background: linear-gradient(135deg, var(--accent), #2da44e);
  border-radius: 0.6rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  padding: 0.45rem 0.7rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-radius: 0.5rem;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav a:hover {
  color: var(--text);
  background: var(--surface-2);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle,
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.theme-toggle:hover,
.nav-toggle:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.theme-toggle svg {
  width: 1.15rem;
  height: 1.15rem;
}

.theme-toggle .icon-sun {
  display: none;
}

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

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3.5rem, 8vw, 6.5rem) clamp(3rem, 7vw, 5.5rem);
  background-color: var(--bg);
  background-image: var(--hero-glow);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 3rem 3rem;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 15%, transparent 72%);
  mask-image: radial-gradient(ellipse at center, #000 15%, transparent 72%);
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.hero h1 {
  margin-top: 1.25rem;
  font-size: clamp(3.1rem, 8.5vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: -0.045em;
}

.hero__role {
  margin: 1.25rem 0 0;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 600;
  color: var(--text);
}

.hero__lead {
  max-width: 60ch;
  margin: 1rem 0 0;
  font-size: 1.02rem;
  color: var(--text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.socials {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.75rem;
}

.socials a {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.socials a:hover {
  color: var(--accent);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.socials svg {
  width: 1.15rem;
  height: 1.15rem;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.1rem;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: 0.6rem;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.btn svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

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

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn--secondary {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border);
}

.btn--secondary:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

/* ---------- Visual del hero ---------- */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  isolation: isolate;
}

.avatar-frame {
  position: relative;
  width: min(340px, 76vw);
  aspect-ratio: 1;
  padding: 0.5rem;
  background: linear-gradient(145deg, var(--accent), var(--surface-2) 48%, var(--border-strong));
  border-radius: 2rem;
  box-shadow: var(--shadow-lg);
}

.avatar-frame::after {
  content: "";
  position: absolute;
  inset: -1.35rem;
  pointer-events: none;
  border: 1px dashed var(--border-strong);
  border-radius: 2.7rem;
}

.avatar-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1.6rem;
}

.code-card {
  position: absolute;
  right: -1.25rem;
  bottom: -1.75rem;
  width: min(320px, 82%);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  box-shadow: var(--shadow-lg);
}

.code-card__bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.75rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.code-card__dot {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--border-strong);
  border-radius: 50%;
}

.code-card__file {
  margin-left: auto;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.code-card pre {
  margin: 0;
  padding: 0.9rem 1rem;
  overflow-x: auto;
}

.code-card code {
  color: var(--text-muted);
}

.code-key {
  color: var(--code-key);
}

.code-string {
  color: var(--code-string);
}

/* ---------- Sobre mí ---------- */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about__text p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.about__text p:first-child {
  font-size: 1.06rem;
  color: var(--text);
}

.about__text p:last-child {
  margin-bottom: 0;
}

.facts {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
}

.fact {
  display: grid;
  gap: 0.15rem;
}

.fact + .fact {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.fact dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.fact dd {
  margin: 0;
  font-weight: 600;
}

.fact dd.fact__muted {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* ---------- Stack ---------- */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.stack-card {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.stack-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.stack-card h3 {
  margin-bottom: 1rem;
  font-size: 1rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tags li {
  padding: 0.32rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 0.45rem;
}

/* ---------- Trayectoria ---------- */
.panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.panel {
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
}

.panel__label {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.panel h3 {
  font-size: 1.35rem;
}

.panel__subtitle {
  margin: 0.25rem 0 1rem;
  font-size: 0.94rem;
  color: var(--text-muted);
}

.panel > p:last-child {
  margin-bottom: 0;
  color: var(--text-muted);
}

.focus-list {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

.focus-list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-muted);
}

.focus-list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--accent);
  border-radius: 50%;
}

/* ---------- Proyectos ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.project-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.project-card__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent-soft), var(--surface-2));
  border-bottom: 1px solid var(--border);
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-card__media img {
  transform: scale(1.03);
}

.project-card__placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  background:
    radial-gradient(circle at 30% 20%, var(--accent-soft), transparent 55%),
    linear-gradient(135deg, var(--surface-2), var(--surface));
}

.project-card__body {
  padding: 1.4rem;
}

.project-card__body h3 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.project-card__body p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.project-card__tech {
  margin-bottom: 1rem;
}

.project-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.project-card__link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.empty-state {
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  padding: clamp(2.5rem, 6vw, 4rem) 1.5rem;
  text-align: center;
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: 1.25rem;
}

.empty-state__icon {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 1rem;
}

.empty-state__icon svg {
  width: 1.75rem;
  height: 1.75rem;
}

.empty-state h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

.empty-state p {
  max-width: 55ch;
  margin: 0;
  color: var(--text-muted);
}

.empty-state .btn {
  margin-top: 0.75rem;
}

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.contact__intro h2 {
  margin-top: 0.6rem;
  font-size: clamp(2rem, 4vw, 3rem);
}

.contact__intro > p:not(.eyebrow) {
  max-width: 45ch;
  margin: 1rem 0 0;
  color: var(--text-muted);
}

.contact-links {
  display: grid;
  gap: 0.8rem;
  margin-top: 2rem;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  width: fit-content;
  font-size: 0.94rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.contact-links a:hover {
  color: var(--accent);
}

.contact-links svg {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  font-size: 0.85rem;
  font-weight: 600;
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.68rem 0.8rem;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.75;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}

.field textarea {
  min-height: 8rem;
  resize: vertical;
}

.contact-form .btn {
  justify-self: start;
  margin-top: 0.25rem;
}

.form-status {
  min-height: 1.3rem;
  margin: 0;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.form-status.is-success {
  color: var(--success);
}

.form-status.is-error {
  color: var(--danger);
}

.form-note {
  margin: 0;
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* ---------- Footer ---------- */
.footer {
  padding-block: 2rem;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.footer__inner p {
  margin: 0;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

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

/* ---------- Animación de entrada ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.6s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .hero__content {
    max-width: 42rem;
  }

  .hero__visual {
    margin-top: 2rem;
  }

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

  .facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .fact + .fact {
    padding-top: 0;
    padding-left: 1.25rem;
    border-top: 0;
    border-left: 1px solid var(--border);
  }

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

@media (max-width: 780px) {
  .nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    padding: 0.75rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }

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

  .nav a {
    padding: 0.7rem 0.85rem;
    font-size: 0.95rem;
  }

  .nav a:hover {
    color: var(--text);
    background: var(--surface-2);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .stack-grid,
  .panels,
  .projects-grid {
    grid-template-columns: 1fr;
  }

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

  .fact + .fact {
    padding-top: 1.25rem;
    padding-left: 0;
    border-top: 1px solid var(--border);
    border-left: 0;
  }
}

@media (max-width: 620px) {
  .container {
    width: calc(100% - 2rem);
  }

  .header__inner {
    height: 4rem;
  }

  .brand__name {
    display: none;
  }

  .hero {
    padding-top: 2.75rem;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 16vw, 4.2rem);
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .avatar-frame {
    width: min(270px, 74vw);
  }

  .code-card {
    display: none;
  }

  .contact-form .btn {
    justify-self: stretch;
    width: 100%;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 380px) {
  .socials a,
  .theme-toggle,
  .nav-toggle {
    width: 2.3rem;
    height: 2.3rem;
  }
}

/* ---------- Accesibilidad: movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

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