/* ============================================================
   styles.css — CV Online · Nicolás Manuel Ventureira
   Estética: Ejecutivo Tech · Dark Luxury · Dorado & Azul
   ============================================================ */

/* ─────────────────────────────────────────
   VARIABLES Y RESET
───────────────────────────────────────── */
:root {
  /* Paleta de colores */
  --bg-page-color:    #0a0a14;
  --bg-section-color:  #0f0f1e;
  --bg-card-color:       #13132a;
  --bg-card-hover-color: #181835;

  --accent-color:          #c9a84c;
  --accent-color-hover:    #e8c97a;
  --accent-color-subtle:      rgba(201, 168, 76, 0.15);

  --highlight-color:   #4a7aff;
  --highlight-color-subtle:      rgba(74, 122, 255, 0.12);

  --primary-text-color:  #f0ede8;
  --secondary-text-color:#a8a4b8;
  --muted-text-color:    #5e5a72;

  --border-color:        rgba(201, 168, 76, 0.15);
  --border-color-subtle:  rgba(255, 255, 255, 0.06);

  /* Tipografía */
  --font-primary:  'Cormorant Garamond', Georgia, serif;
  --font-ui:     'DM Sans', system-ui, sans-serif;

  /* Espaciado */
  --section-padding:   7rem 0;
  --container-max-width: 1140px;

  /* Transiciones */
  --transition-ease:          cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-page-color);
  color: var(--primary-text-color);
  font-family: var(--font-primary);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

/* ─────────────────────────────────────────
   UTILIDADES
───────────────────────────────────────── */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

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

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

/* ─────────────────────────────────────────
   ANIMACIONES DE APARICIÓN
───────────────────────────────────────── */

/* fade-in para el hero */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  animation: fadeUp 0.8s var(--transition-ease) forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.55s; }
.delay-5 { animation-delay: 0.7s; }
.delay-6 { animation-delay: 0.85s; }

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

/* reveal al hacer scroll */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--transition-ease), transform 0.7s var(--transition-ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─────────────────────────────────────────
   NAVBAR
───────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 2.5rem;
  transition: background 0.4s var(--transition-ease), padding 0.3s;
}

/* Estado scrolleado */
.navbar.scrolled {
  background: rgba(10, 10, 20, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.9rem 2.5rem;
  border-bottom: 1px solid var(--border-color);
}

.nav-logo {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--primary-text-color);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-link {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary-text-color);
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  transition: color 0.25s, background 0.25s;
}

.nav-link:hover {
  color: var(--accent-color);
  background: var(--accent-color-subtle);
}

.nav-cta {
  color: var(--accent-color) !important;
  border: 1px solid var(--accent-color);
  padding: 0.45rem 1.1rem !important;
}

.nav-cta:hover {
  background: var(--accent-color) !important;
  color: var(--bg-page-color) !important;
}

/* Hamburger menú (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary-text-color);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open .hamburger__bar--top    { transform: translateY(7px) rotate(45deg); }
.hamburger.open .hamburger__bar--mid    { opacity: 0; }
.hamburger.open .hamburger__bar--bottom { transform: translateY(-7px) rotate(-45deg); }

/* ─────────────────────────────────────────
   HERO
───────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7rem 2rem 5rem;
  overflow: hidden;
}

/* Grilla decorativa de fondo */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 168, 76, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 168, 76, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Resplandor central */
.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(74, 122, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  display: flex;
  align-items: center;
  gap: 5rem;
  max-width: var(--container-max-width);
  width: 100%;
  margin: 0 auto;
}

/* Avatar */
.avatar-wrapper {
  position: relative;
  flex-shrink: 0;
}

.avatar-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid var(--accent-color);
  opacity: 0.5;
  animation: spinRing 20s linear infinite;
}

@keyframes spinRing {
  to { transform: rotate(360deg); }
}

.avatar-img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 3px solid var(--accent-color);
  object-fit: cover;
}

/* Texto hero */
.hero-text {
  flex: 1;
}

.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.hero-name {
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 1.5rem;
  color: var(--primary-text-color);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--secondary-text-color);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.badge {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: 100px;
  color: var(--secondary-text-color);
  background: var(--bg-card-color);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--transition-spring);
}

.btn-primary {
  background: var(--accent-color);
  color: var(--bg-page-color);
}
.btn-primary:hover {
  background: var(--accent-color-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--primary-text-color);
  border: 1px solid var(--border-color);
}
.btn-outline:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-color);
  border-radius: 50%;
  animation: bounce 2s ease-in-out infinite;
  position: relative;
}
.scroll-dot::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}
@keyframes pulse {
  0%, 100% { transform: translate(-50%,-50%) scale(1); opacity: 1; }
  50%       { transform: translate(-50%,-50%) scale(1.5); opacity: 0; }
}

/* ─────────────────────────────────────────
   SECCIONES — BASE
───────────────────────────────────────── */
.section {
  padding: var(--section-padding);
  position: relative;
}

.experience-section,
.skills-section {
  background: var(--bg-section-color);
}

.section-header {
  margin-bottom: 4rem;
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
}

.section-tag {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-color);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 600;
  color: var(--primary-text-color);
  line-height: 1.1;
}

/* ─────────────────────────────────────────
   DATOS PERSONALES
───────────────────────────────────────── */
.personal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.data-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.4rem 1.6rem;
  background: var(--bg-card-color);
  border: 1px solid var(--border-color-subtle);
  border-radius: 12px;
  transition: border-color 0.3s, transform 0.3s;
}
.data-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-4px);
}
.data-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}
.data-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.data-label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-text-color);
}
.data-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary-text-color);
}

.about-text {
  max-width: 700px;
}
.about-text__body {
  font-size: 1.05rem;
  color: var(--secondary-text-color);
  line-height: 1.85;
  border-left: 2px solid var(--accent-color);
  padding-left: 1.5rem;
}

/* ─────────────────────────────────────────
   TIMELINE — EXPERIENCIA
───────────────────────────────────────── */
.timeline {
  position: relative;
}

.timeline-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 0.4rem;
}

.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-color);
  border: 2px solid var(--bg-section-color);
  box-shadow: 0 0 12px rgba(201, 168, 76, 0.5);
  flex-shrink: 0;
}

.timeline-line {
  width: 1px;
  flex: 1;
  background: var(--border-color);
  margin-top: 0.5rem;
}

.timeline-content {
  background: var(--bg-card-color);
  border: 1px solid var(--border-color-subtle);
  border-radius: 14px;
  padding: 2rem 2.2rem;
  transition: border-color 0.3s, transform 0.3s;
}
.timeline-content:hover {
  border-color: rgba(201, 168, 76, 0.35);
  transform: translateX(4px);
}

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.job-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary-text-color);
  margin-bottom: 0.2rem;
}

.company {
  font-size: 0.82rem;
  color: var(--accent-color);
  letter-spacing: 0.05em;
}

.period {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted-text-color);
  white-space: nowrap;
  padding: 0.3rem 0.8rem;
  background: var(--bg-section-color);
  border-radius: 100px;
  border: 1px solid var(--border-color);
}

.job-desc {
  font-size: 0.9rem;
  color: var(--secondary-text-color);
  line-height: 1.75;
  margin-bottom: 1.2rem;
}

.job-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  background: var(--highlight-color-subtle);
  color: var(--highlight-color);
  border: 1px solid rgba(74, 122, 255, 0.2);
}

/* ─────────────────────────────────────────
   EDUCACIÓN
───────────────────────────────────────── */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.edu-card {
  background: var(--bg-card-color);
  border: 1px solid var(--border-color-subtle);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}
.edu-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-6px);
}

.edu-year {
  background: var(--accent-color-subtle);
  border-bottom: 1px solid var(--border-color);
  padding: 0.6rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-color);
}

.edu-body {
  padding: 1.6rem 1.8rem;
}

.edu-degree {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-text-color);
  margin-bottom: 0.4rem;
}

.edu-school {
  font-size: 0.8rem;
  color: var(--accent-color);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.8rem;
}

.edu-desc {
  font-size: 0.87rem;
  color: var(--secondary-text-color);
  line-height: 1.65;
}

/* ─────────────────────────────────────────
   HABILIDADES
───────────────────────────────────────── */
.skills-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.skills-subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary-text-color);
  margin-bottom: 2rem;
}

/* Barras */
.skill-bar-item {
  margin-bottom: 1.6rem;
}

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--secondary-text-color);
  margin-bottom: 0.5rem;
}

.skill-pct {
  color: var(--accent-color);
  font-weight: 500;
}

/* Barra de progreso nativa — reset cross-browser */
.skill-progress {
  display: block;
  width: 100%;
  height: 5px;
  border: none;
  border-radius: 100px;
  overflow: hidden;
  /* Valor inicial (antes de la animación JS) */
  transition: value 1.2s var(--transition-ease);
}

/* Firefox */
.skill-progress {
  background: rgba(255, 255, 255, 0.06);
}
.skill-progress::-moz-progress-bar {
  background: linear-gradient(90deg, var(--accent-color), var(--highlight-color));
  border-radius: 100px;
  transition: width 1.2s var(--transition-ease);
}

/* Chrome / Safari / Edge */
.skill-progress::-webkit-progress-inner-element {
  border-radius: 100px;
  overflow: hidden;
}
.skill-progress::-webkit-progress-bar {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 100px;
}
.skill-progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--accent-color), var(--highlight-color));
  border-radius: 100px;
  transition: width 1.2s var(--transition-ease);
}

/* Tools grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.tool-chip {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.8rem 1rem;
  background: var(--bg-card-color);
  border: 1px solid var(--border-color-subtle);
  border-radius: 10px;
  font-size: 0.85rem;
  color: var(--secondary-text-color);
  transition: border-color 0.3s, color 0.3s, transform 0.25s;
  cursor: default;
}
.tool-chip:hover {
  border-color: var(--accent-color);
  color: var(--primary-text-color);
  transform: translateY(-3px);
}
.tool-icon {
  font-size: 1.1rem;
}

/* ─────────────────────────────────────────
   PROYECTOS
───────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  position: relative;
  background: var(--bg-card-color);
  border: 1px solid var(--border-color-subtle);
  border-radius: 16px;
  padding: 2rem 2rem 1.8rem;
  overflow: hidden;
  transition: border-color 0.35s, transform 0.35s;
}
.project-card:hover {
  border-color: rgba(201, 168, 76, 0.4);
  transform: translateY(-6px);
}

/* Resplandor en hover */
.project-glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
  transition: opacity 0.4s;
}
.project-card:hover .project-glow {
  opacity: 1;
}

.project-tag-top {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-color);
  border: 1px solid var(--accent-color-subtle);
  background: var(--accent-color-subtle);
  border-radius: 100px;
  padding: 0.2rem 0.75rem;
  margin-bottom: 1.2rem;
}

.project-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-text-color);
  margin-bottom: 0.9rem;
  line-height: 1.3;
}

.project-desc {
  font-size: 0.87rem;
  color: var(--secondary-text-color);
  line-height: 1.72;
  margin-bottom: 1.4rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.4rem;
}
.project-tech__item {
  font-size: 0.7rem;
  padding: 0.2rem 0.65rem;
  background: var(--bg-section-color);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  color: var(--muted-text-color);
  letter-spacing: 0.06em;
}

.project-link {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--highlight-color);
  letter-spacing: 0.06em;
  transition: color 0.25s, gap 0.25s;
  display: inline-flex;
  gap: 0.3rem;
}
.project-link:hover {
  color: var(--accent-color);
}

/* ─────────────────────────────────────────
   CONTACTO
───────────────────────────────────────── */
.contact-section {
  background: var(--bg-section-color);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.contact-info__title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--primary-text-color);
  margin-bottom: 1rem;
}

.contact-info__desc {
  font-size: 0.95rem;
  color: var(--secondary-text-color);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.contact-link-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--secondary-text-color);
  transition: color 0.25s;
}
.contact-link-item:hover {
  color: var(--accent-color);
}
.cl-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Formulario */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-text-color);
}

.form-field {
  background: var(--bg-card-color);
  border: 1px solid var(--border-color-subtle);
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--primary-text-color);
  outline: none;
  transition: border-color 0.3s;
  resize: vertical;
}

.form-field::placeholder {
  color: var(--muted-text-color);
}

.form-field:focus {
  border-color: var(--accent-color);
}

/* Estado de error */
.form-field.error {
  border-color: #e74c3c;
}

.form-error {
  font-size: 0.76rem;
  color: #e74c3c;
  min-height: 1em;
}

/* Mensaje de éxito */
.form-success {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.2rem 1.5rem;
  background: rgba(39, 174, 96, 0.1);
  border: 1px solid rgba(39, 174, 96, 0.3);
  border-radius: 10px;
  animation: fadeUp 0.4s var(--transition-ease);
}
.success-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}
.form-success__text {
  font-size: 0.9rem;
  color: #2ecc71;
}

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
.footer {
  padding: 3.5rem 0 2.5rem;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  text-align: center;
}

.footer-logo {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.footer-name {
  font-size: 0.88rem;
  color: var(--secondary-text-color);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--muted-text-color);
  margin-bottom: 2rem;
}

.footer-disclaimer {
  max-width: 650px;
  margin: 0 auto;
  background: rgba(255, 200, 0, 0.04);
  border: 1px solid rgba(255, 200, 0, 0.15);
  border-radius: 10px;
  padding: 1rem 1.5rem;
}

.footer-disclaimer__text {
  font-size: 0.78rem;
  color: var(--muted-text-color);
  line-height: 1.7;
}

.footer-disclaimer__highlight {
  color: rgba(255, 200, 0, 0.6);
}

/* ─────────────────────────────────────────
   RESPONSIVE — TABLET
───────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: 2.5rem;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-badges,
  .hero-actions {
    justify-content: center;
  }

  .skills-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .section-header {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* ─────────────────────────────────────────
   RESPONSIVE — MOBILE
───────────────────────────────────────── */
@media (max-width: 640px) {
  :root {
    --section-padding: 5rem 0;
  }

  /* Navbar mobile */
  .hamburger {
    display: flex;
    z-index: 1100;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 20, 0.98);
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.4s var(--transition-ease);
    z-index: 1050;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1.1rem;
    padding: 0.7rem 1.5rem;
  }

  .avatar-img {
    width: 140px;
    height: 140px;
  }

  .timeline-item {
    grid-template-columns: 20px 1fr;
    gap: 1rem;
  }

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

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

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

  .timeline-header {
    flex-direction: column;
    gap: 0.5rem;
  }

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

  .navbar {
    padding: 1.2rem 1.5rem;
  }
}