/* ============================================
   ALEJANDRO JIMÉNEZ — PORTFOLIO
   styles.css
   ============================================ */

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

:root {
  --bg: #0d0d0f;
  --bg-2: #111114;
  --bg-card: #16161a;
  --bg-card-alt: #1a1a20;
  --border: rgba(255, 255, 255, .07);
  --border-2: rgba(255, 255, 255, .12);

/* ANTES */
--accent:      #f97316;
--accent-2:    #fb923c;
--accent-muted:#f9731633;
--cyan:        #22d3ee;
--cyan-muted:  #22d3ee22;

  --text-1: #f0f0f2;
  --text-2: #9898a8;
  --text-3: #5a5a6e;

  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;

  --radius: 12px;
  --radius-lg: 20px;
  --transition: .25s cubic-bezier(.4, 0, .2, 1);
  --shadow: 0 8px 32px rgba(0, 0, 0, .5);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

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

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

ul {
  list-style: none;
}

.mono {
  font-family: var(--font-mono);
}

.accent {
  color: var(--accent);
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 3px;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249, 115, 22, .35);
  color: #fff;
}

.btn--outline {
  border-color: var(--border-2);
  color: var(--text-1);
  background: transparent;
}

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

.btn--sm {
  padding: 8px 18px;
  font-size: 13px;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), padding var(--transition);
}

.nav.scrolled {
  background: rgba(13, 13, 15, .92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -1px;
}

.nav__logo .dot {
  color: var(--accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__links a {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: all var(--transition);
}

.nav__links a:hover {
  color: var(--text-1);
  background: var(--border);
}

.nav__cta {
  background: var(--accent) !important;
  color: #fff !important;
  font-weight: 700;
}

.nav__cta:hover {
  background: var(--accent-2) !important;
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: all var(--transition);
}

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

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

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

@media (max-width: 768px) {
  .nav__burger {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    background: var(--bg-2);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 4px;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }

  .nav__links.open {
    right: 0;
  }

  .nav__links a {
    font-size: 16px;
    width: 100%;
  }
}

/* ---- SECTION LAYOUT ---- */
.section {
  padding: 100px 0;
}

.section__header {
  margin-bottom: 60px;
}

.section__tag {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: .08em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--text-1);
}

.section__sub {
  margin-top: 12px;
  color: var(--text-2);
  font-size: 16px;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .18;
}

.hero__glow--1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: var(--accent);
  background: #f97316;     
}

.hero__glow--2 {
  width: 500px;
  height: 500px;
  bottom: -100px;
  left: -100px;
  background: var(--cyan);
  opacity: .1;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 60% 50%, black 30%, transparent 80%);
}

.hero__content {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
}

.hero__eyebrow {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .06em;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: .4;
    transform: scale(.7);
  }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(52px, 9vw, 100px);
  font-weight: 800;
  letter-spacing: -4px;
  line-height: 1;
  margin-bottom: 20px;
}

.hero__role {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text-2);
  margin-bottom: 20px;
  letter-spacing: .02em;
}

.hero__desc {
  font-size: 18px;
  color: var(--text-2);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__socials {
  display: flex;
  gap: 16px;
}

.hero__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-3);
  transition: all var(--transition);
}

.hero__socials a svg {
  width: 18px;
  height: 18px;
}

.hero__socials a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.hero__scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: .1em;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }

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

  51% {
    transform-origin: bottom;
  }

  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}

/* ---- EXPERIENCIA ---- */
.experiencia {
  background: var(--bg-2);
}

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.timeline__item {
  position: relative;
  margin-bottom: 48px;
}

.timeline__marker {
  position: absolute;
  left: -38px;
  top: 20px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--accent-muted);
}

.timeline__marker--current {
  animation: markerPulse 2s ease-in-out infinite;
}

@keyframes markerPulse {

  0%,
  100% {
    box-shadow: 0 0 0 4px var(--accent-muted);
  }

  50% {
    box-shadow: 0 0 0 8px var(--accent-muted);
  }
}

.timeline__content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: border-color var(--transition);
}

.timeline__content:hover {
  border-color: var(--border-2);
}

.timeline__header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.timeline__company-logo {
  flex-shrink: 0;
}

.logo-placeholder {
  width: 48px;
  height: 48px;
  background: var(--accent-muted);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 12px;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.logo-placeholder--self {
  background: var(--cyan-muted);
  color: var(--cyan);
  border-color: var(--cyan);
  font-size: 14px;
}

.timeline__role {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
}

.timeline__company {
  font-size: 14px;
  color: var(--text-2);
  margin-top: 2px;
}

.timeline__date {
  margin-left: auto;
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-muted);
  padding: 4px 10px;
  border-radius: 100px;
  white-space: nowrap;
  align-self: center;
}

.timeline__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.timeline__list li {
  color: var(--text-2);
  font-size: 15px;
  padding-left: 16px;
  position: relative;
}

.timeline__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 12px;
}

.timeline__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.timeline__tags span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-muted);
  padding: 3px 10px;
  border-radius: 100px;
}

/* ---- TECNOLOGÍAS ---- */
.tecnologias {
  background: var(--bg);
}

.tech-row-label {
  font-size: 11px;
  color: var(--text-3);
  margin-bottom: 24px;
  letter-spacing: .06em;
}

.tech-icon-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 60px;
  padding: 32px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.tech-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: default;
  flex: 1;
  min-width: 70px;
}

.tech-icon__img {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 12px;
  transition: all var(--transition);
}

.tech-icon__img.grayscale img {
  filter: grayscale(1) opacity(.5);
  transition: filter var(--transition), transform var(--transition);
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.tech-icon:hover .tech-icon__img.grayscale img {
  filter: grayscale(0) opacity(1);
  transform: scale(1.15);
}

.tech-icon:hover .tech-icon__img {
  background: var(--border);
}

.tech-icon span {
  font-size: 11px;
  color: var(--text-3);
  font-family: var(--font-mono);
  transition: color var(--transition);
}

.tech-icon:hover span {
  color: var(--text-2);
}

/* Tech cards */
.tech-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}

.tech-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.tech-card__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: -.3px;
}

.tech-card__icons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.tc-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: default;
}

.tc-icon img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .3));
  transition: transform var(--transition);
}

.tc-icon:hover img {
  transform: scale(1.2) translateY(-3px);
}

.tc-icon span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
}

/* Fondo personalizado para iconos con problema de visibilidad */
.tc-icon--bg img {
  background: var(--ic-bg, #1e1e2e);
  border-radius: 8px;
  padding: 4px;
  width: 36px;
  height: 36px;
}

/* Iconos dimmed para "Aprendiendo" */
.tc-icon--dim img {
  opacity: .5;
  filter: grayscale(.4);
}

.tc-icon--dim:hover img {
  opacity: 1;
  filter: none;
  transform: scale(1.2) translateY(-3px);
}

/* Badges Adobe */
.tc-icon__adobe {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -.5px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.tc-icon:hover .tc-icon__adobe {
  transform: scale(1.2) translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .5);
}

.tc-icon__adobe--ps {
  background: #001e36;
  color: #31a8ff;
  border: 1px solid #31a8ff33;
}

.tc-icon__adobe--ai {
  background: #1a0a00;
  color: #ff9a00;
  border: 1px solid #ff9a0033;
}

.tc-icon__adobe--pr {
  background: #00005b;
  color: #9999ff;
  border: 1px solid #9999ff33;
}

/* Nota al pie de card Aprendiendo */
.tc-design-note {
  font-size: 10px;
  color: var(--text-3);
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  letter-spacing: .04em;
}

@media (max-width: 640px) {
  .tech-cards {
    grid-template-columns: 1fr;
  }

  .tech-icon-row {
    padding: 20px 16px;
    gap: 8px;
  }
}

/* ---- PROYECTOS ---- */
.proyectos {
  background: var(--bg-2);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(249, 115, 22, .12);
}

.project-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.img-placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg-card-alt);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text-3);
  font-size: 13px;
}

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

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 15, .75);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
  backdrop-filter: blur(4px);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__media--embed {
  position: relative;
  aspect-ratio: 16/9;
  background: #000;
}

.project-card__media--embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.project-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.project-card__date {
  font-size: 11px;
  color: var(--text-3);
}

.project-card__type {
  font-size: 11px;
  color: var(--cyan);
  background: var(--cyan-muted);
  padding: 2px 8px;
  border-radius: 100px;
  font-family: var(--font-mono);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 10px;
  letter-spacing: -.3px;
}

.project-card__desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.project-card__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
}

.project-card__tags span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  background: var(--bg-card-alt);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- FORMACIÓN ---- */
.formacion {
  background: var(--bg);
}

.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  gap: 20px;
  transition: border-color var(--transition), transform var(--transition);
}

.edu-card:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
}

.edu-card__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--accent-muted);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.edu-card__icon svg {
  width: 22px;
  height: 22px;
}

.edu-card__level {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .06em;
  display: block;
  margin-bottom: 4px;
}

.edu-card__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 6px;
  line-height: 1.3;
}

.edu-card__school {
  font-size: 14px;
  color: var(--text-2);
}

.edu-card__date {
  font-size: 11px;
  color: var(--text-3);
  display: block;
  margin-top: 4px;
}

.edu-card__award {
  font-size: 13px;
  color: var(--text-2);
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--accent-muted);
  border-radius: 8px;
  border-left: 2px solid var(--accent);
}

.edu-card__desc {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 8px;
}

/* ---- CONTACTO ---- */
.contacto {
  background: var(--bg-2);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-2);
  font-size: 15px;
}

.contact-item a {
  color: var(--text-2);
}

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

.contact-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.contact-item__icon svg {
  width: 18px;
  height: 18px;
}


.form-success {
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--accent);
}

.form-success__icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  margin: 0 auto 16px;
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 22px;
  margin-bottom: 8px;
}

.form-success p {
  color: var(--text-2);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  color: var(--text-2);
  font-weight: 600;
  letter-spacing: .02em;
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-3);
}

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

.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
}

.form-error {
  font-size: 12px;
  color: #ef4444;
  min-height: 16px;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ---- FOOTER ---- */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer__inner {
  display: flex;
  gap: 64px;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer__brand {
  max-width: 240px;
}

.footer__brand p {
  font-size: 14px;
  color: var(--text-3);
  margin-top: 12px;
  line-height: 1.6;
}

.footer__links {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 16px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col a {
  font-size: 14px;
  color: var(--text-3);
  transition: color var(--transition);
}

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0;
  font-size: 13px;
  color: var(--text-3);
}

.back-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-2);
  transition: all var(--transition);
}

.back-top:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

/* ---- ANIMATIONS ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}

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

.tech-cards .tech-card:nth-child(1) {
  transition-delay: .1s;
}

.tech-cards .tech-card:nth-child(2) {
  transition-delay: .2s;
}

.tech-cards .tech-card:nth-child(3) {
  transition-delay: .3s;
}

.tech-cards .tech-card:nth-child(4) {
  transition-delay: .4s;
}

.projects-grid .project-card:nth-child(1) {
  transition-delay: .1s;
}

.projects-grid .project-card:nth-child(2) {
  transition-delay: .2s;
}

.projects-grid .project-card:nth-child(3) {
  transition-delay: .3s;
}

.projects-grid .project-card:nth-child(4) {
  transition-delay: .4s;
}

.edu-grid .edu-card:nth-child(1) {
  transition-delay: .1s;
}

.edu-grid .edu-card:nth-child(2) {
  transition-delay: .2s;
}

.edu-grid .edu-card:nth-child(3) {
  transition-delay: .3s;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .hero__title {
    letter-spacing: -2px;
  }

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

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

  .footer__inner {
    gap: 32px;
  }

  .footer__links {
    gap: 32px;
  }
}