:root {
  --bg: #070b12;
  --bg-soft: #0d1420;
  --surface: rgba(255, 255, 255, 0.07);
  --surface-strong: rgba(255, 255, 255, 0.12);
  --line: rgba(255, 255, 255, 0.16);
  --text: #f4f7fb;
  --muted: #aab7c8;
  --accent: #4de3c1;
  --accent-2: #6da8ff;
  --warm: #f0c36a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius: 8px;
  color-scheme: dark;
  font-family: Inter, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(77, 227, 193, 0.18), transparent 32rem),
    radial-gradient(circle at 85% 10%, rgba(109, 168, 255, 0.17), transparent 32rem),
    linear-gradient(180deg, #070b12 0%, #0b111d 48%, #070b12 100%);
  color: var(--text);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  width: calc(var(--scroll-progress, 0) * 100%);
  height: 0.16rem;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--warm));
  box-shadow: 0 0 18px rgba(77, 227, 193, 0.45);
}

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

.cursor-light {
  position: fixed;
  inset: auto;
  width: 28rem;
  height: 28rem;
  pointer-events: none;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(77, 227, 193, 0.13), transparent 68%);
  filter: blur(10px);
  z-index: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 100%;
  margin: 0;
  padding: 1rem;
  background: rgba(7, 11, 18, 0.22);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-links {
  display: flex;
  align-items: center;
}

.nav-links {
  gap: 0.35rem;
  padding: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 11, 18, 0.72);
}

.nav-links a {
  border-radius: 999px;
  padding: 0.58rem 0.82rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

main {
  position: relative;
  z-index: 1;
}

.hero,
.profile-band,
.timeline-section,
.skills-section,
.education-section,
.contact-section {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  scroll-margin-top: 6rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.85fr);
  gap: clamp(2rem, 6vw, 5.5rem);
  align-items: center;
  min-height: calc(100vh - 4.5rem);
  padding: 4rem 0 5rem;
}

.hero-name {
  max-width: 11ch;
  margin-bottom: 1rem;
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: 0;
}

.role-line,
.section-heading span,
.education-card span {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 18ch;
  margin-bottom: 1.25rem;
  font-size: clamp(1.8rem, 3.6vw, 3.55rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.35rem;
  font-size: 1.35rem;
}

.hero-text,
.profile-band p,
.contact-section p {
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 2.9rem;
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-size: 0.92rem;
  font-weight: 800;
}

.button-primary {
  background: var(--accent);
  color: #06100d;
  box-shadow: 0 14px 35px rgba(77, 227, 193, 0.22);
}

.button-secondary,
.contact-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.hero-visual {
  position: relative;
  min-height: min(65vh, 43rem);
}

.hero-visual img {
  width: 100%;
  height: min(65vh, 43rem);
  min-height: 30rem;
  object-fit: cover;
  object-position: 60% center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 900ms cubic-bezier(0.2, 0.8, 0.2, 1), filter 900ms ease;
}

.profile-band {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: 2rem;
  align-items: end;
  padding: 5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.metric-grid article,
.platform-showcase,
.education-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.16);
  transition: transform 240ms ease, border-color 240ms ease, background 240ms ease;
}

.metric-grid article:hover,
.education-card:hover {
  transform: translateY(-0.35rem);
  border-color: rgba(109, 168, 255, 0.38);
  background: var(--surface-strong);
}

.metric-grid article {
  padding: 1rem;
}

.metric-grid strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--accent);
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
}

.metric-grid span,
.company,
.timeline-content li,
.education-card p {
  color: var(--muted);
  line-height: 1.65;
}

.timeline-section,
.skills-section,
.education-section,
.contact-section {
  padding: 6rem 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(12rem, 0.38fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  margin-bottom: 3rem;
}

.section-heading-solo {
  display: block;
}

.skills-section .section-heading {
  display: block;
  margin-bottom: 1.8rem;
}

.section-heading-solo h2 {
  max-width: none;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: 1rem;
}

.timeline-date {
  position: sticky;
  top: 6rem;
  align-self: start;
  color: var(--warm);
  font-size: 0.92rem;
  font-weight: 800;
}

.timeline-content {
  position: relative;
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.045));
  transition: transform 240ms ease, border-color 240ms ease, background 240ms ease;
}

.timeline-content:hover {
  transform: translateX(0.35rem);
  border-color: rgba(77, 227, 193, 0.4);
  background: linear-gradient(135deg, rgba(77, 227, 193, 0.12), rgba(255, 255, 255, 0.055));
}

.timeline-content::before {
  content: "";
  position: absolute;
  top: 1.55rem;
  left: -1.38rem;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 0.4rem rgba(109, 168, 255, 0.13);
}

.timeline-content ul {
  display: grid;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.skill-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(24rem, 1fr);
  gap: 1rem;
}

.stack-groups {
  display: grid;
  gap: 1.1rem;
}

.stack-group {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  background: rgba(255, 255, 255, 0.045);
}

.stack-group h3 {
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.stack-cloud {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 0.8rem;
}

.stack-cloud span {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  background: var(--surface);
  color: #dce6f4;
  font-weight: 800;
  cursor: default;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.stack-cloud span:hover {
  transform: translateY(-0.25rem);
  border-color: rgba(77, 227, 193, 0.52);
  background: rgba(77, 227, 193, 0.12);
  color: var(--text);
}

.platform-showcase {
  position: relative;
  min-height: 28rem;
  overflow: hidden;
  padding: 1.1rem;
  background:
    linear-gradient(145deg, rgba(77, 227, 193, 0.14), transparent 44%),
    linear-gradient(315deg, rgba(109, 168, 255, 0.2), transparent 48%),
    rgba(255, 255, 255, 0.065);
}

.browser-window,
.device {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(8, 14, 24, 0.88);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.28);
  transition: transform 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.browser-window {
  top: 2rem;
  left: 1.3rem;
  right: 2rem;
  min-height: 13rem;
}

.browser-bar {
  display: flex;
  gap: 0.4rem;
  padding: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.browser-bar span {
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
  background: var(--accent);
}

.browser-bar span:nth-child(2) {
  background: var(--warm);
}

.browser-bar span:nth-child(3) {
  background: var(--accent-2);
}

.browser-content {
  padding: 1.35rem;
}

.browser-content strong,
.device strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text);
  font-size: 1.05rem;
}

.browser-content p,
.device p,
.platform-showcase > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.qa-screen {
  display: grid;
  gap: 0.65rem;
  width: min(19rem, 100%);
  margin-top: 1.15rem;
}

.qa-screen span {
  display: block;
  height: 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
}

.qa-screen span:first-child {
  width: 62%;
  background: var(--accent);
}

.qa-screen span:nth-child(2) {
  width: 88%;
}

.qa-screen span:nth-child(3) {
  width: 74%;
  background: rgba(109, 168, 255, 0.36);
}

.qa-screen::after {
  content: "";
  display: block;
  height: 3.6rem;
  margin-top: 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(77, 227, 193, 0.45) 0 18%, transparent 18% 23%, rgba(255, 255, 255, 0.12) 23% 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
}

.device {
  display: grid;
  grid-template-rows: auto 1fr;
  justify-items: center;
  padding: 0.8rem;
  text-align: center;
}

.device > span {
  display: block;
  width: 26%;
  height: 0.34rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.3);
}

.device div {
  display: grid;
  align-content: center;
}

.ipad {
  right: 2rem;
  bottom: 4.2rem;
  width: 15rem;
  height: 10rem;
}

.iphone {
  left: 3rem;
  bottom: 3.1rem;
  width: 7rem;
  height: 13.2rem;
}

.platform-showcase > p {
  display: none;
}

.education-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.education-card {
  min-height: 16rem;
  padding: 1.35rem;
}

.education-card h2 {
  font-size: clamp(1.55rem, 3vw, 2.5rem);
  line-height: 1.05;
}

.language-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.35rem;
}

.language-list div {
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}

.language-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.language-list strong {
  font-size: 1.05rem;
}

.language-list span {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 800;
}

.contact-section {
  display: block;
  min-height: auto;
  padding-top: 3.5rem;
  text-align: center;
  border-top: 1px solid var(--line);
}

.contact-section p {
  margin-right: auto;
  margin-left: auto;
}

.contact-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 20rem));
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

.contact-card {
  display: grid;
  justify-items: center;
  gap: 0.55rem;
  min-height: 11rem;
  border-radius: var(--radius);
  padding: 1.35rem 1rem;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.16);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.contact-card:hover {
  transform: translateY(-0.25rem);
  border-color: rgba(77, 227, 193, 0.5);
  background: rgba(255, 255, 255, 0.1);
}

.contact-card svg {
  width: 2rem;
  height: 2rem;
  color: var(--accent);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.contact-card span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-card strong {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.35;
  word-break: break-word;
}

.section-reveal {
  opacity: 0;
  filter: blur(12px);
  transform: translateY(4rem) scale(0.97);
  transition:
    opacity 850ms ease,
    filter 850ms ease,
    transform 850ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: opacity, filter, transform;
}

.section-reveal.visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0) scale(1);
}

.reveal-child {
  opacity: 0;
  transform: translateY(1.6rem);
  transition:
    opacity 650ms ease,
    transform 650ms cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

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

.visible .hero-visual img {
  transform: translateY(-0.45rem);
}

.visible .browser-window {
  transform: translate3d(0, calc(var(--section-shift, 0) * -0.9rem), 0);
}

.visible .ipad {
  transform: translate3d(calc(var(--section-shift, 0) * -0.7rem), calc(var(--section-shift, 0) * 0.55rem), 0);
}

.visible .iphone {
  transform: translate3d(calc(var(--section-shift, 0) * 0.65rem), calc(var(--section-shift, 0) * -0.5rem), 0);
}

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

  .section-reveal,
  .reveal-child {
    opacity: 1;
    filter: none;
    transform: none;
    transition: none;
  }

  .cursor-light {
    display: none;
  }

  body::before {
    display: none;
  }
}

@media (max-width: 860px) {
  .site-header,
  .profile-band,
  .section-heading,
  .timeline-item,
  .skill-layout,
  .education-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: center;
  }

  .nav-links {
    max-width: 100%;
    overflow-x: auto;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 2.5rem;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-visual img {
    height: 32rem;
    min-height: auto;
  }

  .timeline-date {
    position: static;
  }

  .timeline-content::before {
    display: none;
  }

  .education-section {
    padding-top: 3rem;
  }

  .platform-showcase {
    min-height: 31rem;
  }

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

@media (max-width: 560px) {
  .nav-links {
    width: 100%;
    justify-content: flex-start;
  }

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

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

  .hero-name {
    font-size: clamp(3.2rem, 17vw, 5.5rem);
  }

  .browser-window {
    right: 1rem;
  }

  .ipad {
    right: 1rem;
    width: 12rem;
  }

  .iphone {
    left: 1.2rem;
  }
}