:root {
  --dark:   #080d1a;
  --dark-2: #0d1424;
  --dark-3: #111827;
  --accent: #4ecdc4;
  --white:  #ffffff;
  --muted:  #6b7280;
  --border: rgba(255, 255, 255, 0.07);
}

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

html {
  scroll-snap-type: y mandatory;
  overflow-y: scroll;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--dark);
  color: var(--white);
  line-height: 1.6;
}

/* ── SNAP ── */
.snap-section {
  scroll-snap-align: start;
  min-height: 100vh;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(8, 13, 26, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-name {
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

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

/* ── HERO ── */
#hero {
  background: var(--dark);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 6% 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(78, 205, 196, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 70% at 15% 80%, rgba(124, 109, 240, 0.09) 0%, transparent 55%);
  pointer-events: none;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 32px 32px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 100%;
}

.hero-label {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 28px;
}

.hero-content h1 {
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.0;
  margin-bottom: 28px;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.hero-h1-sub {
  font-size: 0.45em;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.01em;
  display: block;
  margin-top: 8px;
}

.hero-name {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 40px;
}

.hero-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.hero-pills span {
  background: rgba(78, 205, 196, 0.09);
  border: 1px solid rgba(78, 205, 196, 0.25);
  color: var(--accent);
  font-size: 1rem;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 100px;
}

.cta-btn {
  display: inline-block;
  background: var(--accent);
  color: var(--dark);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 14px 32px;
  border-radius: 6px;
  letter-spacing: 0.02em;
  transition: opacity 0.2s, transform 0.2s;
}

.cta-btn:hover {
  opacity: 0.88;
  transform: translateY(-2px);
}

/* ── SERVICE CARDS ── */
.card {
  display: flex;
  align-items: center;
  padding: 0 6%;
  position: relative;
  overflow: hidden;
}

.card:nth-child(odd)  { background: var(--dark-2); }
.card:nth-child(even) { background: var(--dark-3); }

.card-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.card-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

.card h2 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.card p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.48);
  line-height: 1.78;
  max-width: 460px;
}

.card-bg-seq {
  position: absolute;
  right: 4%;
  top: 0;
  bottom: 0;
  width: 42%;
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  color: rgba(78, 205, 196, 0.07);
  letter-spacing: 0.18em;
  line-height: 2;
  word-break: break-all;
  overflow: hidden;
  padding: 48px 32px;
  pointer-events: none;
  user-select: none;
  display: flex;
  align-items: center;
}

.card-bg-deco {
  position: absolute;
  right: 11%;
  top: 50%;
  transform: translateY(-50%);
  width: 38%;
  height: auto;
  color: rgba(78, 205, 196, 0.08);
  pointer-events: none;
  user-select: none;
}

/* ── SHARED ── */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 48px;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

/* ── ABOUT ── */
#sobre-mi {
  background: var(--dark);
  display: flex;
  align-items: center;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 72px;
  align-items: center;
}

.about-h2 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 36px;
  letter-spacing: -0.03em;
}

.about-values {
  list-style: none;
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-values li {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
}

.about-values li::before {
  content: '—';
  color: var(--accent);
  margin-right: 12px;
  font-weight: 700;
}

.bio {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.52);
  line-height: 1.88;
}

.about-photo {
  position: relative;
}

.about-photo img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  border-radius: 14px;
  display: block;
  filter: grayscale(100%) contrast(1.05) brightness(0.88);
  transition: filter 0.4s ease;
}

.about-photo img:hover {
  filter: grayscale(60%) contrast(1.05) brightness(0.92);
}

.about-photo::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(78, 205, 196, 0.22);
  border-radius: 20px;
  z-index: -1;
}

.about-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  background: rgba(78, 205, 196, 0.06);
  pointer-events: none;
}

/* ── TESTIMONIALS ── */
#resenas {
  background: var(--dark-3);
  display: flex;
  align-items: center;
}

#resenas h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 40px;
  letter-spacing: -0.025em;
}

.testimonials {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 24px;
}

blockquote p {
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 10px;
}

blockquote cite {
  font-size: 0.75rem;
  color: var(--accent);
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── CONTACT ── */
#contacto {
  background: var(--dark-2);
  display: flex;
  align-items: center;
}

#contacto h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -0.025em;
}

.contact-sub {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 16px;
}

.contact-free {
  font-size: 0.82rem;
  color: #4ecdc4;
  margin-bottom: 44px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.contact-links {
  display: flex;
  flex-direction: column;
  margin-bottom: 80px;
}

.contact-links a {
  display: flex;
  align-items: center;
  gap: 28px;
  text-decoration: none;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: gap 0.25s ease;
}

.contact-links a:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.contact-links a:hover {
  gap: 44px;
}

.link-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  width: 76px;
  flex-shrink: 0;
}

.link-value {
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 400;
}

.footer-note {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.2);
}

/* ── COPY BUTTON ── */
.copy-btn {
  margin-left: auto;
  padding: 4px 8px;
  color: rgba(255, 255, 255, 0.25);
  transition: color 0.2s;
  flex-shrink: 0;
  cursor: pointer;
}

.copy-btn:hover,
.copy-btn.copied {
  color: var(--accent);
}

/* ── SCROLL ANIMATIONS ── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
/* desktop: inline */
.mob-break { display: inline; }

@media (max-width: 768px) {
  html              { scroll-snap-type: y proximity; }
  .mob-break        { display: block; }
  nav               { padding: 16px 20px; }
  .nav-links        { gap: 16px; }
  .nav-links a      { font-size: 0.8rem; }

  #hero             { padding: 100px 6% 60px; }
  .hero-content h1  { font-size: clamp(2.8rem, 11vw, 5rem); white-space: normal; }

  .container        { padding: 0 24px; }

  /* Cards */
  .card             { padding: 100px 6% 60px; align-items: flex-start; }
  .card h2          { font-size: clamp(2.2rem, 9vw, 3.5rem); }
  .card p           { font-size: 1rem; max-width: 100%; }
  .card-bg-deco     { display: none; }
  .card-bg-seq      { display: none; }
  .card::after      { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,0.045) 1px, transparent 1px); background-size: 28px 28px; pointer-events: none; }

  /* About: single column, no forced height centering */
  #sobre-mi         { display: block; padding: 100px 0 70px; min-height: unset; }
  .about-grid       { grid-template-columns: 1fr; gap: 28px; }
  .about-photo      { order: -1; max-width: 130px; }
  .about-photo img  { aspect-ratio: 1; }
  .about-h2         { font-size: clamp(1.8rem, 7vw, 2.8rem); margin-bottom: 20px; }
  .about-values     { margin-bottom: 20px; }
  .bio              { font-size: 0.93rem; }

  /* Testimonials */
  #resenas.snap-section { display: block; padding: 80px 0 60px; min-height: auto; }
  #resenas h2           { font-size: clamp(1.6rem, 6vw, 2.2rem); }

  /* Contact */
  #contacto.snap-section { display: block; padding: 80px 0 60px; min-height: auto; }
  #contacto h2           { font-size: clamp(2rem, 8vw, 3rem); }
  .link-label       { width: 60px; font-size: 0.65rem; }
}

@media (max-width: 480px) {
  .nav-links        { display: none; }
  .hero-content h1  { font-size: clamp(2.4rem, 13vw, 4rem); }
  .card h2          { font-size: clamp(2rem, 11vw, 3rem); }
  .contact-links a  { gap: 16px; }
}