:root {
  --bg: #07090f;
  --bg2: #0c1018;
  --card: #10151f;
  --card2: #161d2a;
  --border: #1c2537;
  --amber: #f59e0b;
  --amber2: #fbbf24;
  --text: #eef2f8;
  --text2: #7a8fa8;
  --text3: #3d5068;
  --rad: 14px;
  --mono: "JetBrains Mono", monospace;
  --serif: "Playfair Display", Georgia, serif;
  --body: "Lora", Georgia, serif;
}
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  width: 100vw;
  max-width: 100%;
}

html,
body {
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(245, 158, 11, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 158, 11, 0.025) 1px, transparent 1px);
  background-size: 52px 52px;
}
h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  line-height: 1.05;
}
p {
  line-height: 1.75;
  color: var(--text2);
  font-family: var(--body);
}
a {
  text-decoration: none;
  color: inherit;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 clamp(20px, 5vw, 80px);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-brand {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--amber);
  letter-spacing: 0.5px;
}
.nav-brand span {
  color: var(--text3);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text2);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: 0.2s;
}
.nav-links a:hover {
  color: var(--amber);
}
.lang-btn {
  font-family: var(--mono);
  font-size: 12px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.2s;
  letter-spacing: 1px;
}
.lang-btn:hover {
  border-color: var(--amber);
  color: var(--amber);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* LAYOUT */
main {
  position: relative;
  z-index: 1;
}
section {
  padding: 100px clamp(20px, 5vw, 80px);
  max-width: 1200px;
  margin: 0 auto;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 64px;
  position: relative;
  max-width: none;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 80px);
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: flex-start;
  gap: 64px;
}
.hero-left {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}
.hero-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hero::before {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  width: 700px;
  height: 700px;
  background: radial-gradient(
    circle,
    rgba(245, 158, 11, 0.065) 0%,
    transparent 70%
  );
  top: -150px;
  left: -200px;
  animation: glow1 9s ease-in-out infinite alternate;
}
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(59, 130, 246, 0.05) 0%,
    transparent 70%
  );
  bottom: 0;
  right: 0;
  animation: glow2 11s ease-in-out infinite alternate;
}
@keyframes glow1 {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(70px, 50px);
  }
}
@keyframes glow2 {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(-60px, -50px);
  }
}

/* HERO PHOTO */
.hero-photo-wrap {
  position: relative;
  flex-shrink: 0;
  animation: fadeDown 0.7s 0.35s ease both;
}
.hero-photo-wrap::before {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 22px;
  background: linear-gradient(
    135deg,
    rgba(245, 158, 11, 0.35),
    rgba(59, 130, 246, 0.15)
  );
  z-index: 0;
  filter: blur(18px);
}
.hero-photo-wrap::after {
  content: "";
  position: absolute;
  top: 14px;
  left: 14px;
  right: -14px;
  bottom: -14px;
  border: 1.5px solid rgba(245, 158, 11, 0.25);
  border-radius: 20px;
  z-index: 0;
}
.hero-photo {
  position: relative;
  z-index: 1;
  width: 280px;
  height: 340px;
  object-fit: cover;
  object-position: center top;
  border-radius: 18px;
  border: 1px solid rgba(245, 158, 11, 0.2);
  display: block;
  filter: grayscale(8%) contrast(1.04);
}
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  .hero-left {
    display: none;
  }
  .hero-right {
    text-align: center;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--amber);
  padding: 7px 16px;
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1px;
  animation: fadeDown 0.6s ease both;
}
.hero-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  animation: blink 2s infinite;
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

.hero-name {
  font-family: var(--serif);
  font-size: clamp(52px, 10vw, 108px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -2px;
  color: var(--text);
  animation: fadeDown 0.6s 0.1s ease both;
}
.hero-name .accent {
  color: var(--amber);
  font-style: italic;
}
.hero-role {
  font-family: var(--mono);
  font-size: clamp(13px, 1.8vw, 17px);
  color: var(--text2);
  margin: 28px 0 40px;
  letter-spacing: 1px;
  animation: fadeDown 0.6s 0.2s ease both;
}
.hero-role .cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--amber);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1s infinite;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeDown 0.6s 0.3s ease both;
}
@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: 0.22s;
  font-family: var(--body);
}
.btn-primary {
  background: var(--amber);
  color: #07090f;
}
.btn-primary:hover {
  background: var(--amber2);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245, 158, 11, 0.28);
}
.btn-outline {
  background: transparent;
  color: var(--text2);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-2px);
}

/* SECTION HEADER */
.sec-header {
  margin-bottom: 60px;
}
.sec-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
  display: block;
}
.sec-title {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 900;
  letter-spacing: -1px;
}
.sec-line {
  width: 48px;
  height: 3px;
  background: var(--amber);
  border-radius: 2px;
  margin-top: 18px;
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-text {
  font-size: 17px;
  line-height: 1.85;
}
.about-text strong {
  color: var(--text);
  font-weight: 600;
}
.skills-group {
  margin-bottom: 30px;
}
.skills-group h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 12px;
}
.skills-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--text2);
  font-family: var(--mono);
  transition: 0.2s;
}
.chip:hover {
  border-color: var(--amber);
  color: var(--amber);
}

/* PROJECTS */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.proj-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--rad);
  overflow: hidden;
  transition: 0.3s;
  display: flex;
  flex-direction: column;
}
.proj-card:hover {
  border-color: var(--amber);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(245, 158, 11, 0.1);
}
.proj-thumb {
  height: 158px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 46px;
  position: relative;
  overflow: hidden;
}
.proj-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, var(--card));
}
.proj-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 2px;
}
.proj-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.5px;
  color: var(--amber);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.15);
  padding: 3px 8px;
  border-radius: 5px;
}
.proj-name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.proj-desc {
  font-size: 13.5px;
  color: var(--text2);
  line-height: 1.65;
  flex: 1;
  font-family: var(--body);
}
.proj-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--amber);
  margin-top: 12px;
  transition: 0.2s;
  width: fit-content;
  font-family: var(--mono);
  letter-spacing: 0.5px;
}
.proj-link:hover {
  gap: 10px;
}
.proj-link::after {
  content: "→";
}

.t1 {
  background: linear-gradient(135deg, #0c1f3a, #1a3a6b);
}
.t2 {
  background: linear-gradient(135deg, #1a1208, #3d2a08);
}
.t3 {
  background: linear-gradient(135deg, #100a1a, #2d1060);
}
.t4 {
  background: linear-gradient(135deg, #0a1a0c, #163018);
}
.t5 {
  background: linear-gradient(135deg, #1a0f00, #3a2200);
}
.t6 {
  background: linear-gradient(135deg, #0a1f1f, #1a4d4d);
}

/* CONTACT */
.contact-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse at 50% 0%,
    rgba(245, 158, 11, 0.055) 0%,
    transparent 60%
  );
}
.contact-title {
  font-family: var(--serif);
  font-size: clamp(28px, 5vw, 54px);
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 14px;
}
.contact-subtitle {
  font-size: 16px;
  color: var(--text2);
  margin-bottom: 48px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  position: relative;
  z-index: 1;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  color: var(--text2);
  font-weight: 500;
  font-size: 15px;
  transition: 0.25s;
  background: var(--card2);
  font-family: var(--body);
}
.contact-link:hover {
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.12);
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 26px clamp(20px, 5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}
.footer-brand {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text3);
}
.footer-brand span {
  color: var(--amber);
}
.footer-copy {
  font-size: 12px;
  color: var(--text3);
  font-family: var(--mono);
}

/* SCROLL-TO-TOP BUTTON */
.scroll-top-btn {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  width: 48px;
  height: 48px;
  background: var(--amber);
  color: var(--bg);
  border: none;
  border-radius: 50%;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  transition: 0.3s ease;
  opacity: 0;
  pointer-events: none;
}
.scroll-top-btn.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.scroll-top-btn:hover {
  background: var(--amber2);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
}

/* REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text2);
  border-radius: 2px;
  transition: 0.25s ease;
}
.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--amber);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--amber);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hamburger {
    display: flex;
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(7, 9, 15, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav-links.open {
    max-height: 300px;
  }
  .nav-links li {
    width: 100%;
  }
  .nav-links a {
    display: block;
    padding: 18px clamp(20px, 5vw, 80px);
    border-bottom: 1px solid var(--border);
    font-size: 13px;
  }

  /* Scroll-to-top button visible only on mobile */
  .scroll-top-btn {
    display: flex;
  }
}
@media (max-width: 600px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .contact-wrap {
    padding: 36px 24px;
  }
  footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (min-width: 901px) {
  .scroll-top-btn {
    display: none;
  }
}

/* FOCUS VISIBLE — accesibilidad navegación por teclado */
a:focus-visible,
button:focus-visible,
.chip:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Quita el outline feo del navegador solo para click con mouse (ya lo maneja :focus-visible) */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}