/* =========================================================
   FEDERICO CLAVIJO — PORTFOLIO
   Índice:
   1. Variables      6. Navbar        11. Timeline
   2. Reset          7. Hero          12. Contact
   3. Base           8. About         13. Footer
   4. Typography     9. Skills        14. Animations
   5. Layout        10. Projects      15. Responsive / A11y
   ========================================================= */

/* ============ 1. VARIABLES ============ */
:root {
  /* color */
  --color-bg: #0b0e14;
  --color-surface: #12151f;
  --color-surface-alt: #171c2a;
  --color-text: #e9e6dd;
  --color-text-secondary: #99a2b3;
  --color-accent: #d9a441;
  --color-accent-soft: #d9a44126;
  --color-accent-2: #4c8c93;
  --color-border: rgba(233, 230, 221, 0.12);
  --color-border-strong: rgba(233, 230, 221, 0.22);
  --color-danger: #d9705a;

  /* type */
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  --fs-hero: clamp(2.75rem, 6vw + 1rem, 5.5rem);
  --fs-h1: clamp(2rem, 3.2vw + 1rem, 3rem);
  --fs-h2: clamp(1.5rem, 2vw + 1rem, 2.1rem);
  --fs-h3: 1.15rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-label: 0.8rem;

  /* spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5.5rem;
  --space-2xl: 8rem;

  /* shape */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-soft: 0 20px 50px -25px rgba(0, 0, 0, 0.6);
  --shadow-inset: inset 0 0 0 1px var(--color-border);

  /* motion */
  --dur-fast: 150ms;
  --dur-base: 300ms;
  --dur-slow: 600ms;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --container: 1180px;
}

/* ============ 2. RESET ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body,
h1,
h2,
h3,
p,
ul,
ol,
figure {
  margin: 0;
}

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

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

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

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

/* ============ 3. BASE ============ */
html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  overflow-x: hidden;
}

main {
  display: block;
}

::selection {
  background: var(--color-accent);
  color: #14110a;
}

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

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-accent);
  color: #14110a;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 999;
  font-weight: 600;
  transition: top var(--dur-base) var(--ease);
}

.skip-link:focus {
  top: 1rem;
}

/* subtle starfield used behind hero + as page texture */
.hero__field {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(233, 230, 221, 0.35), transparent),
    radial-gradient(1px 1px at 80% 10%, rgba(233, 230, 221, 0.25), transparent),
    radial-gradient(1.5px 1.5px at 60% 70%, rgba(217, 164, 65, 0.4), transparent),
    radial-gradient(1px 1px at 30% 80%, rgba(233, 230, 221, 0.3), transparent),
    radial-gradient(1px 1px at 90% 60%, rgba(76, 140, 147, 0.4), transparent),
    radial-gradient(1px 1px at 45% 40%, rgba(233, 230, 221, 0.2), transparent);
  background-size: 100% 100%;
  pointer-events: none;
}

/* ============ 4. TYPOGRAPHY ============ */
h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

.section-head__kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-head__title {
  font-size: var(--fs-h1);
  line-height: 1.15;
}

/* ============ 5. LAYOUT ============ */
.section-inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

section:not(.hero) {
  padding-block: var(--space-2xl);
}

section:not(.hero)+section:not(.hero) {
  border-top: 1px solid var(--color-border);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-small);
  transition: transform var(--dur-fast) var(--ease), background var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
  border: 1px solid transparent;
}

.btn--sm {
  padding: 0.6rem 1.15rem;
}

.btn--primary {
  background: var(--color-accent);
  color: #14110a;
}

.btn--primary:hover {
  transform: translateY(-2px);
  background: #e6b458;
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

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

.btn--ghost:active {
  transform: translateY(0);
}

/* ============ 6. NAVBAR ============ */
.navbar {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), backdrop-filter var(--dur-base) var(--ease);
}

.navbar.is-scrolled {
  background: rgba(11, 14, 20, 0.82);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--color-border);
}

.navbar__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: 1.1rem clamp(1.25rem, 5vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}

.navbar__mark {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.navbar__nav {
  display: flex;
  gap: var(--space-md);
}

.navbar__link {
  position: relative;
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  padding-block: 0.35rem;
  transition: color var(--dur-base) var(--ease);
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-base) var(--ease);
}

.navbar__link:hover {
  color: var(--color-text);
}

.navbar__link:hover::after,
.navbar__link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.navbar__link.is-active {
  color: var(--color-text);
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
}

.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin-inline: auto;
  transition: transform var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
}

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

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

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

/* ============ 7. HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  color: var(--color-accent-2);
  font-size: var(--fs-label);
  margin-bottom: 1rem;
}

.hero__title {
  font-size: var(--fs-hero);
  line-height: 0.98;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.hero__lead {
  max-width: 46ch;
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  margin-bottom: var(--space-md);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: var(--space-md);
}

.hero__socials {
  display: flex;
  gap: var(--space-md);
}

.hero__socials a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  transition: color var(--dur-base) var(--ease);
}

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

.hero__portrait {
  display: flex;
  justify-content: center;
}

.portrait-frame {
  position: relative;
  width: min(320px, 80vw);
  aspect-ratio: 4 / 5;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 10px;
}

.portrait-frame__photo {
  width: 100%;
  height: 100%;
  border-radius: calc(var(--radius-md) - 6px);
  background: var(--color-surface-alt);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  text-align: center;
  overflow: hidden;
}

.portrait-frame__photo:not(:has(img)) {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.portrait-frame__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.portrait-frame__corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-accent);
}

.portrait-frame__corner--tl {
  top: -6px;
  left: -6px;
  border-right: none;
  border-bottom: none;
}

.portrait-frame__corner--br {
  bottom: -6px;
  right: -6px;
  border-left: none;
  border-top: none;
}

.portrait-frame__tag {
  position: absolute;
  bottom: -14px;
  right: 18px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
}

.hero__scroll {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 44px;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 100%;
  background: linear-gradient(var(--color-accent), transparent);
  animation: scrollPulse 2.4s var(--ease) infinite;
}

@keyframes scrollPulse {
  0% {
    transform: scaleY(0.4);
    opacity: 0.4;
    transform-origin: top;
  }

  50% {
    transform: scaleY(1);
    opacity: 1;
    transform-origin: top;
  }

  100% {
    transform: scaleY(0.4);
    opacity: 0.4;
    transform-origin: bottom;
  }
}

/* ============ 8. ABOUT ============ */
.about__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items: start;
}

.about__text p {
  color: var(--color-text-secondary);
  max-width: 62ch;
}

.about__text p+p {
  margin-top: 1rem;
}

.about__facts {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.about__fact {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
}

.about__fact:first-child {
  border-top: none;
  padding-top: 0;
}

.about__fact-index {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: var(--fs-small);
  min-width: 2ch;
}

.about__fact-title {
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.about__fact-desc {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
}

/* ============ 9. SKILLS ============ */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.skill-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.skill-panel--learning {
  background: var(--color-surface);
  border: 1px dashed var(--color-accent-2);
}

.skill-panel__title {
  font-size: var(--fs-h3);
  margin-bottom: 0.35rem;
}

.skill-panel__note {
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.skill-panel--learning .skill-panel__title+.skill-panel__note {
  margin-top: 0;
}

.skill-panel:not(.skill-panel--learning) .skill-panel__title {
  margin-bottom: 1.1rem;
}

/* colores de título por categoría */
.skill-panel--frontend .skill-panel__title,
.skill-panel--tools .skill-panel__title {
  color: var(--color-accent-2);
}

.skill-panel--learning .skill-panel__title {
  color: var(--color-accent);
}

/* grid de iconos, estilo catálogo visual */
.skill-panel__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(76px, 1fr));
  gap: 1rem 0.75rem;
}

.tech-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1rem 0.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: var(--color-surface-alt);
  text-align: center;
  transition: transform var(--dur-fast) var(--ease),
    border-color var(--dur-base) var(--ease),
    background var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease);
  cursor: default;
}

.tech-chip i,
.tech-chip svg {
  font-size: 2rem;
  flex-shrink: 0;
}

.tech-chip__name {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.tech-chip:hover,
.tech-chip:focus-visible {
  transform: translateY(-4px) scale(1.06);
  border-color: var(--color-accent-soft);
  background: color-mix(in srgb, var(--color-surface-alt) 78%, var(--color-accent) 10%);
  box-shadow: var(--shadow-soft);
}

.tech-chip:hover .tech-chip__name,
.tech-chip:focus-visible .tech-chip__name {
  color: var(--color-text);
}

/* icons that ship as black/dark glyphs need inverting on our dark surface */
.devicon-express-original,
.devicon-github-original {
  color: var(--color-text);
  filter: invert(88%) sepia(6%) saturate(200%);
}

/* ============ 10. PROJECTS ============ */
.featured-project {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.featured-project__media {
  aspect-ratio: 16/10;
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  overflow: hidden;
}

.featured-project__media:not(:has(img)) {
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-project__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-project__label {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: var(--fs-label);
  margin-bottom: 0.6rem;
}

.featured-project__title {
  font-size: var(--fs-h2);
  margin-bottom: 0.75rem;
}

.featured-project__desc {
  color: var(--color-text-secondary);
  margin-bottom: 1.1rem;
  max-width: 56ch;
}

.featured-project__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
}

.featured-project__stack li,
.project-card__stack li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-secondary);
}

.featured-project__actions {
  display: flex;
  gap: 0.75rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

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

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
}

.project-card__media {
  aspect-ratio: 16/9;
  background: var(--color-surface-alt);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  overflow: hidden;
}

.project-card__media:not(:has(img)) {
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card__body {
  padding: var(--space-sm);
}

.project-card__title {
  font-size: var(--fs-h3);
  margin-bottom: 0.5rem;
}

.project-card__desc {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  margin-bottom: 0.9rem;
}

.project-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.project-card__actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* ============ 11. TIMELINE ============ */
.timeline {
  display: flex;
  flex-direction: column;
}

.timeline__item {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  position: relative;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 22px;
  bottom: -8px;
  width: 1px;
  background: var(--color-border-strong);
}

.timeline__item:last-child::before {
  display: none;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  width: 19px;
  height: 19px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  background: var(--color-bg);
  margin-top: 2px;
}

.timeline__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}

.timeline__place {
  color: var(--color-accent-2);
  font-size: var(--fs-small);
  margin: 0.2rem 0 0.5rem;
}

.timeline__desc {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  max-width: 56ch;
}

/* ============ 12. CONTACT ============ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact__lead {
  color: var(--color-text-secondary);
  max-width: 48ch;
  margin: 1rem 0 var(--space-md);
}

.contact__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
}

.contact__item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  text-align: left;
  transition: border-color var(--dur-base) var(--ease), background var(--dur-base) var(--ease);
  position: relative;
}

.contact__item:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface);
}

.contact__item-hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-accent);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease);
}

.contact__item:hover .contact__item-hint,
.contact__item:focus-visible .contact__item-hint {
  opacity: 1;
}

.contact__item-hint[data-copied="true"] {
  opacity: 1;
}

.contact__form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact__form-note {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

.field input,
.field textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  resize: vertical;
  transition: border-color var(--dur-base) var(--ease);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--color-accent);
}

/* ============ 13. FOOTER ============ */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-lg);
}

.footer__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer__name {
  font-family: var(--font-display);
  font-weight: 600;
}

.footer__role {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
}

.footer__socials {
  display: flex;
  gap: var(--space-sm);
}

.footer__socials a {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  transition: color var(--dur-base) var(--ease);
}

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

.footer__copy {
  width: 100%;
  color: var(--color-text-secondary);
  font-size: 0.78rem;
  order: 3;
}

/* ============ 14. ANIMATIONS ============ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::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;
  }

  .hero__scroll-line {
    animation: none;
  }
}

/* ============ 15. RESPONSIVE / A11Y ============ */
@media (max-width: 1024px) {
  .skills__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 860px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .hero__portrait {
    order: -1;
    margin-bottom: var(--space-md);
  }

  .portrait-frame {
    width: min(240px, 60vw);
  }

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

  .featured-project {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .navbar__toggle {
    display: flex;
  }

  .navbar__nav {
    position: fixed;
    top: 68px;
    right: 1rem;
    left: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    flex-direction: column;
    gap: 0.25rem;
    box-shadow: var(--shadow-soft);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
  }

  .navbar__nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .navbar__link {
    padding: 0.6rem 0.4rem;
  }

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

  section:not(.hero) {
    padding-block: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__socials {
    flex-wrap: wrap;
    row-gap: 0.5rem;
  }
}

.cv-download {
  color: var(--color-accent) !important;
  font-weight: 600;
}