:root {
  color-scheme: dark;
  --bg: #0a0d12;
  --bg-elevated: #10151d;
  --bg-soft: #131a23;
  --surface: #151c25;
  --text: #f3f5f7;
  --text-muted: #c2c9d1;
  --text-soft: #9faab6;
  --accent: #dd0831;
  --accent-strong: #ff6a86;
  --accent-soft: rgba(221, 8, 49, 0.16);
  --border: rgba(255, 255, 255, 0.15);
  --control-border: #77818c;
  --focus: #dd0831;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --header-bg: rgba(10, 13, 18, 0.88);
  --header-border: rgba(255,255,255,0.10);
  --card-gradient: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.018));
  --container-max: 1180px;
  --header-height: 88px;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f7f8fa;
  --bg-elevated: #ffffff;
  --bg-soft: #eef1f4;
  --surface: #ffffff;
  --text: #171c23;
  --text-muted: #45515e;
  --text-soft: #5d6976;
  --accent: #c6072d;
  --accent-strong: #a90024;
  --accent-soft: rgba(198, 7, 45, 0.10);
  --border: rgba(23, 28, 35, 0.17);
  --control-border: #687481;
  --focus: #c6072d;
  --shadow: 0 22px 60px rgba(19, 30, 42, 0.13);
  --header-bg: rgba(247, 248, 250, 0.92);
  --header-border: rgba(23, 28, 35, 0.10);
  --card-gradient: linear-gradient(145deg, rgba(255,255,255,1), rgba(244,246,248,1));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 85% 10%, var(--accent-soft), transparent 27rem);
  z-index: -3;
}
img { max-width: 100%; height: auto; }
a { color: inherit; }

.skip-link {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 2000;
  transform: translateY(-200%);
  background: var(--text);
  color: var(--bg);
  padding: .8rem 1rem;
  border-radius: .5rem;
  font-weight: 750;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1030;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.navbar { min-height: 88px; }
.navbar .container { max-width: var(--container-max); }
.navbar-brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  width: 128px;
  min-height: 56px;
  margin-right: 1rem;
}
.brand-logo { display: block; width: 128px; height: auto; }
.brand-logo-dark { display: none; }
html[data-theme="dark"] .brand-logo-light { display: none; }
html[data-theme="dark"] .brand-logo-dark { display: block; }
.navbar-collapse { flex-grow: 1; }
.navbar-nav .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: .55rem .68rem;
  color: var(--text-muted);
  font-size: .93rem;
  font-weight: 720;
  letter-spacing: .01em;
}
.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  left: .68rem;
  right: .68rem;
  bottom: .2rem;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .2s ease;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active { color: var(--text); }
.navbar-nav .nav-link.active::after { transform: scaleX(1); }
.nav-actions {
  flex: 0 0 auto;
  gap: .55rem;
  margin-left: 1.85rem;
}
.icon-btn,
.language-toggle,
.navbar-toggler {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--control-border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.language-toggle { width: auto; min-width: 78px; padding: 0 .85rem; gap: .28rem; font-size: .78rem; letter-spacing: .05em; }
.lang-current { color: var(--text); }
.lang-next { color: var(--text-soft); }
.lang-divider { color: var(--text-soft); }
.icon-btn:hover,
.language-toggle:hover,
.navbar-toggler:hover { border-color: var(--accent); color: var(--accent-strong); }
.navbar-toggler { display: none; }
.navbar-toggler-icon {
  width: 1.25em;
  height: 1.25em;
  background-image: var(--bs-navbar-toggler-icon-bg);
}

main { padding-top: var(--header-height); }
main:focus { outline: none; }
.section-anchor { scroll-margin-top: var(--header-height); }
.content-section { padding: 110px 0; }
.alt-section { background: var(--bg-elevated); }
.hero-section {
  position: relative;
  display: grid;
  align-items: center;
  overflow: clip;
  min-height: calc(100svh - var(--header-height));
  background:
    radial-gradient(circle at 18% 25%, rgba(221,8,49,.13), transparent 24rem),
    linear-gradient(180deg, var(--bg), var(--bg-elevated));
}
.hero-row { min-height: calc(100svh - var(--header-height)); }

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .42;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, black, transparent 76%);
}
html[data-theme="light"] .hero-grid { opacity: .3; background-image: linear-gradient(to right, rgba(23,28,35,.07) 1px, transparent 1px), linear-gradient(to bottom, rgba(23,28,35,.07) 1px, transparent 1px); }
.hero-orbit {
  position: absolute;
  border: 1px solid rgba(221,8,49,.24);
  border-radius: 50%;
  pointer-events: none;
}
.hero-orbit-one { width: 520px; height: 520px; right: -150px; top: 12%; }
.hero-orbit-two { width: 360px; height: 360px; right: 3%; top: 24%; border-style: dashed; opacity: .65; }
.hero-pulse {
  position: absolute;
  width: 16px;
  height: 16px;
  right: 20%;
  top: 30%;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(221,8,49,.55);
  opacity: .8;
}
.eyebrow,
.section-kicker,
.small-label {
  margin: 0 0 .9rem;
  color: var(--accent-strong);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .17em;
}
.display-title {
  max-width: 870px;
  margin: 0;
  font-size: clamp(3.15rem, 7vw, 6.8rem);
  font-weight: 900;
  letter-spacing: -.055em;
  line-height: .95;
}
.gradient-text {
  background: linear-gradient(120deg, var(--accent-strong), #ff5a78 45%, var(--text) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy {
  max-width: 720px;
  margin: 1.7rem 0 0;
  color: var(--text-muted);
  font-size: clamp(1.04rem, 2vw, 1.22rem);
}
.btn {
  min-height: 48px;
  padding: .75rem 1.05rem;
  border-radius: .7rem;
  font-weight: 800;
  letter-spacing: .01em;
}
.btn-primary-custom {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 14px 35px rgba(221,8,49,.24);
}
.btn-primary-custom:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: #fff; transform: translateY(-1px); }
.btn-outline-custom {
  color: var(--text);
  border: 1px solid var(--control-border);
  background: transparent;
}
.btn-outline-custom:hover { color: var(--text); border-color: var(--accent); background: var(--accent-soft); transform: translateY(-1px); }
.hero-actions { margin-top: 2.15rem; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 2rem;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  min-height: 40px;
  padding: .45rem .72rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  background: rgba(255,255,255,.025);
  font-size: .88rem;
}
.hero-meta i { color: var(--accent-strong); }
.hero-card {
  position: relative;
  max-width: 510px;
  margin-inline: auto;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1.6rem;
  background: var(--card-gradient);
  box-shadow: var(--shadow);
  transform: translateZ(0);
}
.hero-card-glow {
  position: absolute;
  width: 210px;
  height: 210px;
  right: -60px;
  top: -60px;
  border-radius: 50%;
  background: var(--accent);
  filter: blur(70px);
  opacity: .28;
  pointer-events: none;
}
.profile-frame {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 1.1rem;
  border: 1px solid rgba(255,255,255,.18);
  background: var(--bg-soft);
}
.profile-frame img { display: block; width: 100%; height: 100%; object-fit: cover; }
.profile-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem .25rem .1rem;
  color: var(--text-muted);
  font-size: .92rem;
}
.profile-caption > div { display: inline-flex; align-items: center; gap: .5rem; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent-strong); box-shadow: 0 0 0 5px var(--accent-soft); }
.linkedin-link,
.text-link,
.contact-links a { color: var(--text); text-decoration: none; }
.linkedin-link { display: inline-flex; align-items: center; gap: .45rem; font-weight: 800; }
.linkedin-link:hover,
.text-link:hover,
.contact-links a:hover { color: var(--accent-strong); }
.section-heading { max-width: 820px; margin-bottom: 3.5rem; }
.section-heading h2 { margin: 0; font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.02; letter-spacing: -.035em; font-weight: 870; }
.section-intro { max-width: 760px; margin: 1.2rem 0 0; color: var(--text-muted); font-size: 1.04rem; }
.contact-intro { max-width: 850px; margin-top: 1.75rem; }
.lead-copy { color: var(--text); font-size: clamp(1.2rem, 2vw, 1.42rem); line-height: 1.72; }
.body-copy { color: var(--text-muted); font-size: 1rem; }
.about-panel,
.about-callout,
.tool-panel,
.service-card,
.education-card {
  border: 1px solid var(--border);
  border-radius: 1.05rem;
  background: var(--surface);
}
.about-panel { overflow: hidden; }
.mini-stat { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.2rem 1.25rem; border-bottom: 1px solid var(--border); }
.mini-stat:last-child { border-bottom: 0; }
.mini-stat strong { font-size: .82rem; letter-spacing: .12em; color: var(--accent-strong); }
.mini-stat span { color: var(--text-muted); text-align: right; }
.about-callout { display: flex; gap: .9rem; margin-top: 1rem; padding: 1.1rem 1.2rem; background: linear-gradient(145deg, var(--surface), var(--bg-soft)); }
.about-callout-icon { flex: 0 0 42px; width: 42px; height: 42px; border-radius: .75rem; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-strong); }
.about-callout strong { display: block; }
.about-callout p { margin: .2rem 0 0; color: var(--text-muted); font-size: .92rem; }

.subheading { margin: 0 0 1.4rem; font-size: 1.18rem; font-weight: 820; }
.timeline-item { position: relative; display: grid; grid-template-columns: 18px 1fr; gap: 1rem; }
.timeline-item + .timeline-item { margin-top: 2.1rem; }
.timeline-marker { position: relative; width: 12px; height: 12px; margin-top: .55rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 7px var(--accent-soft); }
.timeline-item:not(:last-of-type) .timeline-marker::after { content: ""; position: absolute; top: 18px; left: 5px; width: 2px; height: calc(100% + 105px); background: var(--border); }
.timeline-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .65rem; margin-bottom: .45rem; }
.timeline-date { color: var(--text-soft); font-size: .84rem; font-weight: 800; letter-spacing: .03em; }
.timeline-tag { color: var(--accent-strong); font-size: .84rem; font-weight: 850; }
.timeline-content h4 { margin: 0; font-size: 1.35rem; }
.timeline-content p { margin: .65rem 0 0; color: var(--text-muted); }
.education-heading { margin-top: 3rem; }
.education-card { display: flex; gap: 1rem; padding: 1rem 1.1rem; }
.education-card + .education-card { margin-top: .8rem; }
.education-card > i { color: var(--accent-strong); font-size: 1.35rem; padding-top: .15rem; }
.education-card h4 { margin: 0; font-size: 1rem; }
.education-card p { margin: .25rem 0 0; color: var(--text-soft); font-size: .9rem; }
.skill-group { display: flex; flex-wrap: wrap; gap: .55rem; }
.skill-group span { min-height: 36px; display: inline-flex; align-items: center; padding: .42rem .65rem; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--text-muted); font-size: .87rem; font-weight: 750; }
.tool-panel { margin-top: 1.25rem; padding: 1.1rem 1.2rem; }
.tool-panel ul { margin: .45rem 0 0; padding-left: 1.1rem; color: var(--text-muted); }
.tool-panel li + li { margin-top: .4rem; }
.tool-panel-subtle { background: linear-gradient(145deg, var(--surface), var(--bg-soft)); }
.language-line { display: flex; justify-content: space-between; gap: 1rem; margin: .45rem 0 0; }
.language-line strong { color: var(--text); }
.language-line span { color: var(--text-soft); }
.text-link { display: inline-flex; align-items: center; gap: .55rem; margin-top: 1rem; min-height: 44px; font-weight: 820; }

.service-card { position: relative; height: 100%; padding: 1.35rem; overflow: hidden; transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease; }
.service-card:hover { transform: translateY(-8px); border-color: var(--accent); box-shadow: var(--shadow); }
.service-number { position: absolute; top: .65rem; right: .85rem; color: var(--text-soft); opacity: .75; font-size: .78rem; font-weight: 900; letter-spacing: .12em; }
.service-icon { width: 50px; height: 50px; border-radius: .85rem; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-strong); font-size: 1.45rem; }
.service-card h3 { margin: 1.25rem 0 .6rem; font-size: 1.15rem; }
.service-card p { margin: 0; color: var(--text-muted); font-size: .94rem; }

.contact-section { background: linear-gradient(180deg, var(--bg), var(--bg-soft)); }
.contact-form { padding: 1.3rem; border: 1px solid var(--border); border-radius: 1.2rem; background: var(--surface); box-shadow: var(--shadow); }
.contact-form label { display: inline-block; margin-bottom: .45rem; font-size: .9rem; font-weight: 800; }
.contact-form input,
.contact-form textarea {
  display: block;
  width: 100%;
  border: 1px solid var(--control-border);
  border-radius: .75rem;
  background: var(--bg-elevated);
  color: var(--text);
  padding: .78rem .9rem;
  font: inherit;
}
.contact-form input[type="hidden"] { display: none; }
.contact-form textarea { resize: vertical; min-height: 170px; }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-soft); }
.field-hint { margin: .45rem 0 0; color: var(--text-soft); font-size: .82rem; }
.field-error { min-height: 1.35rem; margin: .3rem 0 0; color: #ff8196; font-size: .84rem; font-weight: 700; }
html[data-theme="light"] .field-error { color: #a60024; }
.form-note { max-width: 680px; margin: 0; color: var(--text-soft); font-size: .82rem; }
.form-status { margin-top: .9rem; min-height: 1.45rem; color: var(--text); font-weight: 760; }
.form-status[data-state="error"] { color: #ff8196; }
.form-status[data-state="success"] { color: var(--accent-strong); }
.success-card { max-width: 720px; }
.contact-links { display: flex; flex-wrap: wrap; gap: .8rem 1.4rem; margin-top: 1.5rem; }
.contact-links a { display: inline-flex; align-items: center; gap: .55rem; min-height: 44px; color: var(--text-muted); font-weight: 750; }
.contact-links i { color: var(--accent-strong); }

.site-footer { padding: 24px 0 34px; border-top: 1px solid var(--border); color: var(--text-soft); font-size: .82rem; }
.back-to-top {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 1020;
  width: 48px;
  height: 48px;
  border: 1px solid var(--control-border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}
.back-to-top:hover { color: var(--accent-strong); border-color: var(--accent); }
.back-to-top[hidden] { display: none !important; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  box-shadow: 0 0 0 7px var(--accent-soft);
}

.navbar-nav .nav-link:focus-visible,
.btn:focus-visible,
.icon-btn:focus-visible,
.language-toggle:focus-visible,
.navbar-toggler:focus-visible,
.linkedin-link:focus-visible,
.text-link:focus-visible,
.contact-links a:focus-visible,
.back-to-top:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  box-shadow: 0 0 0 7px var(--accent-soft);
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible { border-color: var(--accent-strong); }

.reveal-on-view { opacity: 1; transform: none; }
.js .hero-orbit-one,
.js .hero-orbit-two,
.js .hero-pulse { will-change: transform; }

@media (max-width: 1199.98px) {
  .navbar-brand { width: 122px; }
  .brand-logo { width: 122px; }
  .nav-actions { margin-left: 1.25rem; }
}

@media (max-width: 991.98px) {
  :root { --header-height: 78px; }
  .navbar { min-height: var(--header-height); }
  .navbar-brand { width: 108px; }
  .brand-logo { width: 108px; }
  .navbar-collapse {
    order: 4;
    width: 100%;
    padding: .7rem 0 1rem;
    margin-top: .65rem;
    border-top: 1px solid var(--border);
  }
  .navbar-nav .nav-link { width: 100%; padding-inline: .25rem; }
  .navbar-nav .nav-link::after { left: .25rem; right: auto; width: 70px; }
  .nav-actions { margin-left: auto; }
  .navbar-toggler { display: inline-flex; }
  .hero-orbit-one { width: 420px; height: 420px; right: -190px; top: 18%; }
  .hero-orbit-two { right: -30px; }
}

@media (max-width: 575.98px) {
  :root { --header-height: 78px; }
  html { scroll-padding-top: var(--header-height); }
  .section-anchor { scroll-margin-top: var(--header-height); }
  .navbar-brand { width: 108px; }
  .brand-logo { width: 108px; }
  .nav-actions { gap: .4rem; }
  .language-toggle { padding-inline: .65rem; }
  .icon-btn, .language-toggle, .navbar-toggler { min-width: 42px; min-height: 42px; width: 42px; height: 42px; }
  .language-toggle { width: auto; }
  .content-section { padding: 86px 0; }
  .display-title { font-size: clamp(2.85rem, 14vw, 4.5rem); }
  .profile-caption { align-items: flex-start; flex-direction: column; }
  .timeline-top { align-items: flex-start; flex-direction: column; }
  .contact-form { padding: 1rem; }
  .form-note { flex-basis: 100%; }
  .contact-links { flex-direction: column; gap: .4rem; }
  .back-to-top { right: 14px; bottom: 14px; }
}

@media (forced-colors: active) {
  .navbar-nav .nav-link.active::after { background: Highlight; }
  .icon-btn, .language-toggle, .navbar-toggler, .btn-outline-custom, .contact-form input, .contact-form textarea { border-color: ButtonText; }
  :focus-visible { outline: 3px solid Highlight; box-shadow: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
  .service-card:hover,
  .btn-primary-custom:hover,
  .btn-outline-custom:hover { transform: none; }
}