:root {
  --bg: #fbf4ec;
  --bg-elevated: rgba(255, 248, 241, 0.78);
  --surface: rgba(255, 255, 255, 0.7);
  --surface-strong: #fff9f2;
  --text: #201913;
  --muted: #6f6257;
  --line: rgba(32, 25, 19, 0.11);
  --accent: #ff7a59;
  --accent-strong: #e4572e;
  --accent-soft: rgba(255, 122, 89, 0.14);
  --shadow: 0 24px 70px rgba(90, 58, 33, 0.14);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: min(1180px, calc(100vw - 2rem));
  --transition: 220ms ease;
}

body.dark-theme {
  --bg: #111117;
  --bg-elevated: rgba(18, 18, 26, 0.78);
  --surface: rgba(22, 22, 32, 0.76);
  --surface-strong: #1c1b26;
  --text: #f6f1ec;
  --muted: #c4b6aa;
  --line: rgba(238, 243, 248, 0.12);
  --accent: #ff8a3d;
  --accent-strong: #ff4f7a;
  --accent-soft: rgba(255, 138, 61, 0.18);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 122, 89, 0.2), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(244, 171, 73, 0.14), transparent 26%),
    linear-gradient(180deg, var(--bg) 0%, color-mix(in srgb, var(--bg), #ffffff 6%) 100%);
  color: var(--text);
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

body.dark-theme {
  background:
    radial-gradient(circle at top left, rgba(255, 79, 122, 0.14), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(255, 138, 61, 0.16), transparent 26%),
    linear-gradient(180deg, var(--bg) 0%, #17131e 100%);
}

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

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

button,
input,
textarea {
  font: inherit;
}

.hidden-field {
  position: absolute;
  left: -9999px;
}

.page-shell {
  position: relative;
  width: 100%;
}

.ambient {
  position: fixed;
  inset: auto;
  z-index: -1;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.55;
  pointer-events: none;
}

.ambient-one {
  width: 320px;
  height: 320px;
  top: 8%;
  left: -4rem;
  background: rgba(255, 122, 89, 0.22);
}

.ambient-two {
  width: 300px;
  height: 300px;
  right: -4rem;
  top: 42%;
  background: rgba(244, 171, 73, 0.16);
}

body.dark-theme .ambient-one {
  background: rgba(255, 79, 122, 0.18);
}

body.dark-theme .ambient-two {
  background: rgba(255, 138, 61, 0.2);
}

.site-header,
.section,
.site-footer,
.marquee-band {
  width: var(--container);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 1rem;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
  margin-top: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.brand-copy {
  display: grid;
  gap: 0.1rem;
}

.brand-copy strong,
.brand-copy small,
.site-nav a,
.button,
.project-tile h3,
.cert-item strong,
.metric strong,
.skill-block h3,
.contact-links a {
  font-family: "Space Grotesk", sans-serif;
}

.brand-copy small {
  color: var(--muted);
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 1.6rem;
}

.site-nav a {
  position: relative;
  font-size: 0.95rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.theme-toggle,
.menu-toggle {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition);
}

.theme-toggle {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  position: relative;
}

.theme-toggle i {
  position: absolute;
  transition: opacity var(--transition), transform var(--transition);
}

.theme-toggle .fa-sun {
  opacity: 0;
  transform: rotate(-20deg) scale(0.7);
}

body.dark-theme .theme-toggle .fa-moon {
  opacity: 0;
  transform: rotate(20deg) scale(0.7);
}

body.dark-theme .theme-toggle .fa-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.menu-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  padding: 0;
  place-items: center;
}

.menu-toggle span {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle span + span {
  margin-top: 0.3rem;
}

.section {
  padding: 5rem 0;
}

.hero {
  min-height: calc(100svh - 7rem);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 3rem;
}

.eyebrow {
  margin: 0 0 1rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent-strong);
}

.hero h1,
.section-heading h2,
.about-panel h2,
.contact-copy h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.hero h1 {
  font-size: clamp(3.8rem, 8vw, 7rem);
  max-width: 8ch;
}

.hero-lead {
  max-width: 36rem;
  font-size: 1.12rem;
  line-height: 1.8;
  color: var(--muted);
  margin: 1.5rem 0 2rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 10rem;
  min-height: 3.25rem;
  padding: 0.8rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.button:hover,
.theme-toggle:hover,
.menu-toggle:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.12);
}

.button-secondary {
  border-color: var(--line);
  background: var(--surface);
}

.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-highlights li {
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
}

.hero-visual {
  position: relative;
  min-height: 34rem;
  display: grid;
  place-items: center;
}

.portrait-frame {
  width: min(30rem, 100%);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 40% 40% 1.5rem 1.5rem;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--surface-strong);
}

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

.floating-card {
  position: absolute;
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.15rem;
  background: var(--bg-elevated);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  animation: drift 6s ease-in-out infinite;
}

.floating-card span,
.project-index,
.cert-item span,
.metric span {
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.card-a {
  left: 0;
  bottom: 20%;
}

.card-b {
  right: 0;
  top: 28%;
  animation-delay: -2s;
}

.marquee-band {
  overflow: hidden;
  border-block: 1px solid var(--line);
  margin-bottom: 1rem;
}

.marquee-track {
  display: flex;
  gap: 2rem;
  width: max-content;
  padding: 1rem 0;
  animation: marquee 22s linear infinite;
}

.marquee-track span {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--muted);
  white-space: nowrap;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.5rem;
}

.about-panel,
.skill-block,
.project-feature,
.project-tile,
.cert-item,
.contact-form,
.contact-copy {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.about-panel,
.contact-copy,
.contact-form {
  border-radius: var(--radius-xl);
  padding: 2rem;
}

.about-panel h2,
.section-heading h2,
.contact-copy h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.about-panel p,
.contact-copy p {
  color: var(--muted);
  line-height: 1.8;
}

.metrics-panel {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.metric {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
}

.metric:last-child {
  border-bottom: 0;
}

.metric strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 1.25rem;
}

.section-heading {
  max-width: 42rem;
  margin-bottom: 2.25rem;
}

.skills-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.skill-block {
  padding: 1.8rem;
  border-radius: var(--radius-lg);
}

.skill-icons {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.skill-icons img {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
}

.skill-block p,
.project-tile p,
.cert-item,
.contact-links a {
  color: var(--muted);
}

.project-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}

.project-tile a,
.site-footer a {
  color: var(--accent-strong);
  font-weight: 700;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.project-tile {
  position: relative;
  min-height: 25rem;
  min-width: 0;
  perspective: 1200px;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0;
}

.project-tile:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent), white 28%);
  outline-offset: 5px;
}

.project-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: inherit;
  transform-style: preserve-3d;
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-tile.is-flipped .project-card-inner {
  transform: rotateY(180deg);
}

.project-card-face {
  position: absolute;
  inset: 0;
  display: grid;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: var(--shadow);
}

.project-card-front {
  grid-template-rows: auto 1fr;
  background: var(--surface);
}

.project-card-back {
  place-items: center;
  padding: 1.6rem;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent), transparent 74%), transparent 44%),
    linear-gradient(160deg, color-mix(in srgb, var(--surface-strong), white 5%), color-mix(in srgb, var(--surface), black 3%));
  transform: rotateY(180deg);
}

.project-tile-media {
  overflow: hidden;
}

.project-tile img {
  aspect-ratio: 16 / 11;
}

.project-tile-copy {
  padding: 1.25rem;
}

.project-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  width: fit-content;
  min-height: 2.8rem;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff !important;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.16);
}

.project-button:hover {
  filter: saturate(1.06);
}

.project-button i {
  font-size: 1rem;
}

.project-tile h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.cert-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}

.filter-chip {
  padding: 0.8rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition), color var(--transition), border-color var(--transition);
}

.filter-chip:hover {
  transform: translateY(-2px);
}

.filter-chip.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  border-color: transparent;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.cert-item {
  display: grid;
  gap: 0.7rem;
  min-height: 12rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.cert-item[hidden] {
  display: none;
}

.cert-item:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent), transparent 50%);
}

.contact {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1.5rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.contact-links a {
  padding: 0.85rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 3.1rem;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent !important;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff !important;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.16);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.contact-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.2);
  filter: saturate(1.05);
}

.contact-button i {
  font-size: 0.95rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.6rem;
}

.contact-form span {
  font-family: "Space Grotesk", sans-serif;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface-strong);
  color: var(--text);
}

.contact-form textarea {
  min-height: 9rem;
  resize: vertical;
}

.contact-form input:user-invalid,
.contact-form textarea:user-invalid {
  border-color: rgba(255, 79, 79, 0.7);
  box-shadow: 0 0 0 4px rgba(255, 79, 79, 0.08);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0 2rem;
  color: var(--muted);
}

.floating-actions {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.floating-action {
  width: 3.45rem;
  height: 3.45rem;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.22);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.floating-action:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 24px 42px rgba(0, 0, 0, 0.28);
  filter: saturate(1.05);
}

.floating-action i {
  font-size: 1.2rem;
}

.whatsapp-action {
  background: linear-gradient(135deg, #25d366, #128c7e);
}

.toast-stack {
  position: fixed;
  right: 1.2rem;
  top: 5.5rem;
  z-index: 40;
  display: grid;
  gap: 0.75rem;
  width: min(22rem, calc(100vw - 2rem));
}

.toast {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1rem 1rem 1rem 0.95rem;
  border-radius: 1.15rem;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  animation: toast-in 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.toast.is-leaving {
  animation: toast-out 240ms ease forwards;
}

.toast-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.9rem;
}

.toast-success .toast-icon {
  background: linear-gradient(135deg, #24c38e, #129b73);
}

.toast-error .toast-icon {
  background: linear-gradient(135deg, #ff7a59, #e63946);
}

.toast strong {
  display: block;
  margin-bottom: 0.2rem;
  font-family: "Space Grotesk", sans-serif;
}

.toast p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-10px) scale(0.98);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1100px) {
  .hero,
  .about-grid,
  .contact {
    grid-template-columns: 1fr;
  }

  .skills-layout,
  .project-grid,
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: auto auto auto;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.7rem);
    left: 0;
    right: 0;
    display: grid;
    gap: 0.5rem;
    padding: 1rem;
    border-radius: 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition), transform var(--transition);
  }

  .site-header.menu-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header.menu-open .menu-toggle span:first-child {
    transform: translateY(5px) rotate(45deg);
  }

  .site-header.menu-open .menu-toggle span:last-child {
    transform: translateY(-1px) rotate(-45deg);
  }

  .hero {
    min-height: auto;
    padding-top: 3rem;
  }

  .hero-visual {
    min-height: 26rem;
  }

  .card-a,
  .card-b {
    position: static;
    margin-top: 1rem;
  }

  .hero-visual {
    display: block;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 4rem 0;
  }

  .site-header {
    width: min(100vw - 1rem, var(--container));
    top: 0.5rem;
    padding: 0.8rem;
  }

  .brand-copy small {
    display: none;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 16vw, 4.5rem);
  }

  .skills-layout,
  .project-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .project-tile {
    min-height: 23rem;
  }

  .site-footer {
    flex-direction: column;
  }
}