/* =========================================
   style.css — Matias Tornatti Portfolio
   Inspirado en diseño editorial premium:
   fondo cream · cards negras · tipografía display bold
   ========================================= */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Paleta editorial */
  --clr-bg:        #f0ede8;        /* cream cálido, fondo base */
  --clr-bg-alt:    #e8e4de;        /* sección alternada ligeramente más oscura */
  --clr-card:      #111110;        /* cards negras casi puras */
  --clr-card-2:    #1c1c1a;        /* cards secundarias */
  --clr-border:    rgba(0,0,0,.1); /* borde sutil en claro */
  --clr-border-dk: rgba(255,255,255,.08); /* borde en oscuro */

  /* Texto */
  --clr-text:       #111110;       /* negro suave */
  --clr-text-muted: #6b6560;       /* gris cálido */
  --clr-text-light: #f5f2ee;       /* texto sobre cards oscuras */
  --clr-text-ghost: rgba(17,17,16,.06); /* texto fantasma de fondo */

  /* Accent mínimo */
  --clr-accent:     #111110;       /* el "acento" es simplemente el negro */
  --clr-accent-warm:#c8a882;       /* dorado/arena muy sutil */

  /* Tipografía */
  --font-sans:    'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;

  /* Espaciado */
  --section-py:     clamp(5rem, 9vw, 8rem);
  --container-max:  1200px;
  --container-px:   clamp(1.25rem, 5vw, 2.5rem);

  /* Transiciones */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur:      0.55s;

  /* Radios — más cuadrados, editoriales */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- Utility ---------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* Texto con acento cálido */
.gradient-text {
  color: var(--clr-accent-warm);
  -webkit-text-fill-color: var(--clr-accent-warm);
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out);
}
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.75rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition: transform 0.2s var(--ease-out),
              background 0.2s,
              box-shadow 0.2s,
              color 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* Primary — negro sólido */
.btn-primary {
  background: var(--clr-card);
  color: var(--clr-text-light);
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.btn-primary:hover {
  background: #2a2a28;
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
}

/* Ghost — contorno fino oscuro */
.btn-ghost {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid rgba(0,0,0,.25);
}
.btn-ghost:hover {
  border-color: var(--clr-text);
  background: rgba(0,0,0,.04);
}

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

/* Redes sociales */
.btn-social {
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.15rem;
  font-size: 0.85rem;
}
.btn-linkedin { background: var(--clr-card); color: var(--clr-text-light); }
.btn-linkedin:hover { background: #1a1a18; }
.btn-github   { background: var(--clr-card); color: var(--clr-text-light); }
.btn-github:hover   { background: #1a1a18; }
.btn-email {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border);
}
.btn-email:hover { background: rgba(0,0,0,.05); }

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  padding-block: 1.1rem;
  background: rgba(240,237,232,0);
  backdrop-filter: blur(0);
  transition: background 0.4s, backdrop-filter 0.4s, padding 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(240,237,232,.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-color: var(--clr-border);
  padding-block: 0.7rem;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-text);
  letter-spacing: -0.03em;
}

.nav-menu { display: flex; gap: 2rem; }

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: color 0.2s;
  letter-spacing: 0.01em;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  inset-block-end: -3px;
  height: 1.5px;
  background: var(--clr-text);
  transform: scaleX(0);
  transition: transform 0.25s var(--ease-out);
  border-radius: 2px;
}
.nav-link:hover { color: var(--clr-text); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.25rem; }
.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger { position: relative; }
.hamburger::before, .hamburger::after { content: ''; position: absolute; inset-inline-start: 0; }
.hamburger::before { inset-block-start: -7px; }
.hamburger::after  { inset-block-end: -7px; }
.nav-toggle[aria-expanded="true"] .hamburger              { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before      { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle[aria-expanded="true"] .hamburger::after       { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem var(--container-px) 6rem;
  overflow: hidden;
  background: var(--clr-bg);
}

/* Fondo: grid de puntos sutil al estilo editorial */
.hero-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(17,17,16,.12) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Los blobs ahora son zonas cálidas muy suaves */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.22;
}
.blob-1 {
  width: clamp(400px, 55vw, 700px);
  height: clamp(400px, 55vw, 700px);
  background: #d4bfa4;
  top: -15%;
  right: -10%;
}
.blob-2 {
  width: clamp(250px, 35vw, 450px);
  height: clamp(250px, 35vw, 450px);
  background: #b8a890;
  bottom: -5%;
  left: -5%;
}

/* Texto fantasma de fondo (como "NEURON" en la imagen) */
.hero::before {
  content: 'TORNATTI';
  position: absolute;
  inset-block-end: 6%;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: clamp(5rem, 14vw, 14rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--clr-text-ghost);
  white-space: nowrap;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}

.hero-eyebrow {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.035em;
  color: var(--clr-text);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  font-weight: 400;
  color: var(--clr-text-muted);
  letter-spacing: 0.005em;
}

.hero-description {
  font-size: clamp(0.9rem, 1.4vw, 1rem);
  color: var(--clr-text-muted);
  max-width: 520px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.hero-socials {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
}

.social-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: transparent;
  border: 1px solid var(--clr-border);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s;
}
.social-pill:hover {
  border-color: var(--clr-text);
  color: var(--clr-text);
  background: rgba(0,0,0,.04);
  transform: translateY(-2px);
}

/* Scroll cue */
.scroll-cue {
  position: absolute;
  inset-block-end: 2.5rem;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,.2);
  animation: bounce 2.2s ease-in-out infinite;
  transition: border-color 0.2s;
}
.scroll-cue:hover { border-color: var(--clr-text); }
.scroll-cue__arrow {
  display: block;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--clr-text-muted);
  border-bottom: 1.5px solid var(--clr-text-muted);
  transform: rotate(45deg) translateY(-2px);
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ---------- SECCIONES compartidas ---------- */
.section { padding-block: var(--section-py); }

.section-header {
  text-align: center;
  margin-block-end: 4rem;
}
.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-block-end: 0.9rem;
  padding: 0.25rem 0.8rem;
  background: rgba(0,0,0,.06);
  border-radius: 999px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--clr-text);
}
.section-subtitle {
  margin-block-start: 0.85rem;
  color: var(--clr-text-muted);
  font-size: 1rem;
  max-width: 500px;
  margin-inline: auto;
  line-height: 1.75;
}

/* ---------- ABOUT ---------- */
.about { background: var(--clr-bg-alt); }

.about-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
  margin-block-end: 4rem;
}

.about-avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.avatar-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
}
.avatar-initials {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  background: var(--clr-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--clr-text-light);
  position: relative;
  z-index: 1;
}
/* Ring animado adaptado a esquemas claros */
.avatar-ring {
  position: absolute;
  inset: -5px;
  border-radius: calc(var(--radius-md) + 4px);
  border: 1.5px solid transparent;
  background: linear-gradient(#f0ede8, #f0ede8) padding-box,
              linear-gradient(135deg, #111110, #c8a882, #111110) border-box;
  animation: spin 8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.about-location {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.about-text p { color: var(--clr-text-muted); margin-block-end: 1rem; line-height: 1.85; }
.about-text strong { color: var(--clr-text); font-weight: 600; }

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-block-start: 1.25rem;
}
.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  background: var(--clr-card);
  color: var(--clr-text-light);
  letter-spacing: 0.02em;
}

/* Timeline */
.timeline-heading {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-block-end: 1.75rem;
  color: var(--clr-text);
  letter-spacing: -0.02em;
}
.timeline-list {
  position: relative;
  padding-inline-start: 2rem;
  border-inline-start: 1.5px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}
.timeline-item { position: relative; }
.timeline-dot {
  position: absolute;
  inset-inline-start: -2.55rem;
  inset-block-start: 0.2rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--clr-card);
  border: 2.5px solid var(--clr-bg-alt);
}
.timeline-date {
  font-size: 0.75rem;
  color: var(--clr-accent-warm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: block;
  margin-block-end: 0.25rem;
}
.timeline-role {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  margin-block-end: 0.25rem;
  color: var(--clr-text);
}
.timeline-content p { font-size: 0.87rem; color: var(--clr-text-muted); }

/* ---------- SKILLS ---------- */
.skills-section { background: var(--clr-bg); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(285px, 1fr));
  gap: 1.25rem;
}

.skills-card {
  background: var(--clr-card);
  border: 1px solid rgba(255,255,255,.05);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}
.skills-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,.22);
}

.skills-card__title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  margin-block-end: 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--clr-accent-warm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.skill-list { display: flex; flex-direction: column; gap: 1.2rem; }
.skill-list li { display: flex; flex-direction: column; gap: 0.45rem; }
.skill-name { font-size: 0.83rem; font-weight: 500; color: rgba(245,242,238,.6); }

.skill-bar {
  height: 4px;
  background: rgba(255,255,255,.08);
  border-radius: 999px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: var(--pct);
  background: linear-gradient(90deg, var(--clr-accent-warm), #f0ede8);
  border-radius: 999px;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1.1s var(--ease-out);
}
.skills-card.visible .skill-fill { transform: scaleX(1); }

/* Certificaciones */
.cert-list { display: flex; flex-direction: column; gap: 1rem; }
.cert-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: rgba(245,242,238,.65);
  line-height: 1.4;
}
.cert-icon { color: var(--clr-accent-warm); flex-shrink: 0; }

/* ---------- SERVICES ---------- */
.services { background: var(--clr-bg-alt); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--clr-card);
  border: 1px solid rgba(255,255,255,.04);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
  cursor: default;
}
.service-card:hover, .service-card:focus {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
  outline: none;
}

.service-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  background: rgba(200,168,130,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--clr-accent-warm);
  margin-block-end: 1.5rem;
  transition: background 0.2s, transform 0.2s;
}
.service-card:hover .service-icon {
  background: var(--clr-accent-warm);
  color: var(--clr-card);
  transform: scale(1.08) rotate(-4deg);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-block-end: 0.7rem;
  color: var(--clr-text-light);
  letter-spacing: -0.02em;
}
.service-desc {
  font-size: 0.875rem;
  color: rgba(245,242,238,.5);
  line-height: 1.75;
}

/* ---------- CONTACT ---------- */
.contact { background: var(--clr-bg); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 0.85rem; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  transition: border-color 0.2s;
}
.contact-card:hover { border-color: rgba(0,0,0,.2); }
.contact-card i { color: var(--clr-text-muted); margin-block-start: 0.1rem; flex-shrink: 0; }
.contact-card div { display: flex; flex-direction: column; gap: 0.15rem; }
.contact-card strong { font-size: 0.82rem; font-weight: 600; color: var(--clr-text); }
.contact-card span   { font-size: 0.82rem; color: var(--clr-text-muted); }

.social-buttons { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-block-start: 0.5rem; }

/* Formulario */
.contact-form {
  background: var(--clr-card);
  border: 1px solid rgba(255,255,255,.04);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.45rem; }
.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(245,242,238,.45);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  color: var(--clr-text-light);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent-warm);
  box-shadow: 0 0 0 3px rgba(200,168,130,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(245,242,238,.2); }

.form-group input:user-invalid,
.form-group textarea:user-invalid { border-color: #e07070; }

.contact-form .btn-primary {
  background: var(--clr-accent-warm);
  color: var(--clr-card);
  box-shadow: none;
}
.contact-form .btn-primary:hover {
  background: #d4b48e;
  box-shadow: 0 4px 16px rgba(200,168,130,.3);
}

.form-feedback {
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  min-height: 1.25em;
}
.form-feedback.success { color: #7fcfb0; }
.form-feedback.error   { color: #e07070; }

/* ---------- FOOTER ---------- */
.footer {
  background: var(--clr-card);
  border-top: 1px solid rgba(255,255,255,.05);
  padding-block: 2.25rem;
  text-align: center;
}
.footer p { color: rgba(245,242,238,.4); font-size: 0.82rem; }
.footer-tag { color: var(--clr-accent-warm); font-weight: 600; }
.footer-sub { margin-block-start: 0.4rem; font-size: 0.78rem; }

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  inset-block-end: 1.75rem;
  inset-inline-end: 1.75rem;
  z-index: 90;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,.18);
  background: var(--clr-bg);
  color: var(--clr-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.75rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.back-to-top:hover {
  background: var(--clr-card);
  color: var(--clr-text-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0,0,0,.18);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    inset-block-end: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    background: rgba(240,237,232,.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform: translateY(-100%);
    transition: transform 0.4s var(--ease-out);
    pointer-events: none;
    z-index: 99;
  }
  .nav-menu.open { transform: translateY(0); pointer-events: all; }
  .nav-link { font-size: 1.15rem; }
  .nav-toggle { display: block; z-index: 100; position: relative; }

  .about-grid { grid-template-columns: 1fr; text-align: center; }
  .about-avatar { flex-direction: row; gap: 1.25rem; }
  .about-badges { justify-content: center; }
  .timeline-dot { inset-inline-start: -2.1rem; }

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

  .hero::before { font-size: clamp(3.5rem, 20vw, 8rem); }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; width: 100%; max-width: 260px; }
  .btn { width: 100%; justify-content: center; }
  .social-buttons { justify-content: center; }
}