:root {
  --color-background: #f9fbff;
  --color-surface: #ffffff;
  --color-text: #1f2933;
  --color-muted: #52606d;
  --color-accent: #4f46e5;
  --color-accent-light: #6366f1;
  --color-border: #d2d6dc;
  --color-hero-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --shadow-soft: 0 20px 40px rgba(79, 70, 229, 0.08);
  --shadow-card: 0 14px 38px rgba(15, 23, 42, 0.08);

  --font-sans: "Inter", "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --header-offset: clamp(120px, 17vh, 160px);
}

[data-theme="dark"] {
  --color-background: #0f172a;
  --color-surface: #111c30;
  --color-text: #e2e8f0;
  --color-muted: #94a3b8;
  --color-accent: #818cf8;
  --color-accent-light: #a5b4fc;
  --color-border: #1e293b;
  --shadow-soft: 0 20px 40px rgba(15, 23, 42, 0.45);
  --shadow-card: 0 16px 44px rgba(15, 23, 42, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.6;
}

body.nav-open,
body.blog-open {
  overflow: hidden;
}

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

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

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: center;
  padding: clamp(0.6rem, 1.5vw, 1rem) clamp(1.2rem, 5vw, 2.5rem);
  background: linear-gradient(120deg, rgba(99, 102, 241, 0.08), rgba(168, 85, 247, 0.05))
    rgba(249, 251, 255, 0.9);
  backdrop-filter: blur(18px);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 18px 40px -28px rgba(79, 70, 229, 0.3);
}

[data-theme="dark"] .site-header {
  background: linear-gradient(120deg, rgba(129, 140, 248, 0.15), rgba(192, 132, 252, 0.12))
    rgba(15, 23, 42, 0.82);
  box-shadow: 0 20px 44px -28px rgba(9, 12, 22, 0.7);
}

.site-header__inner {
  position: relative;
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  padding: clamp(0.6rem, 1.2vw, 0.9rem) clamp(1rem, 2vw, 1.8rem);
  background: rgba(255, 255, 255, 0.82);
  border-radius: 1.8rem;
  border: 1px solid rgba(210, 214, 220, 0.6);
  box-shadow: 0 22px 38px -28px rgba(15, 23, 42, 0.3);
}

[data-theme="dark"] .site-header__inner {
  background: rgba(17, 25, 42, 0.88);
  border-color: rgba(51, 65, 85, 0.8);
  box-shadow: 0 24px 46px -30px rgba(6, 10, 19, 0.75);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand__logo {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  background: var(--color-hero-gradient);
  color: #fff;
  font-weight: 700;
  font-size: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.brand__name {
  font-weight: 700;
  margin: 0;
}

.brand__role {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(0.4rem, 1.8vw, 1rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  color: rgba(82, 96, 109, 0.85);
  border: 1px solid transparent;
  transition: color 0.2s ease, background 0.25s ease, box-shadow 0.25s ease;
  text-decoration: none;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 8px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  opacity: 0;
  transform: scaleX(0.3);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.12);
  box-shadow: 0 12px 24px -16px rgba(79, 70, 229, 0.35);
}

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

.site-nav li:last-child a {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.18), rgba(168, 85, 247, 0.22));
  color: var(--color-accent);
  border-color: rgba(99, 102, 241, 0.28);
  box-shadow: 0 16px 28px -20px rgba(79, 70, 229, 0.45);
}

.site-nav li:last-child a::after {
  display: none;
}

.site-nav li:last-child a:hover,
.site-nav li:last-child a:focus {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.22), rgba(168, 85, 247, 0.32));
  color: var(--color-accent-light);
}

[data-theme="dark"] .site-nav a {
  color: rgba(226, 232, 240, 0.78);
}

[data-theme="dark"] .site-nav a:hover,
[data-theme="dark"] .site-nav a:focus {
  background: rgba(129, 140, 248, 0.16);
  color: var(--color-accent-light);
  box-shadow: 0 16px 32px -20px rgba(99, 102, 241, 0.42);
}

[data-theme="dark"] .site-nav li:last-child a {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.24), rgba(192, 132, 252, 0.28));
  border-color: rgba(129, 140, 248, 0.38);
  color: rgba(226, 232, 240, 0.92);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.35rem 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(210, 214, 220, 0.6);
  box-shadow: 0 16px 24px -22px rgba(15, 23, 42, 0.4);
}

.site-nav__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  transition: opacity 0.25s ease;
  opacity: 0;
  pointer-events: none;
  z-index: 8;
}

.blog-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.9rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.blog-toggle:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.blog-toggle__line,
.blog-toggle__line::before,
.blog-toggle__line::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transform: translateX(-50%);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.blog-toggle__line {
  top: 50%;
  transform: translate(-50%, -50%);
}

.blog-toggle__line::before {
  top: -6px;
}

.blog-toggle__line::after {
  top: 6px;
}

.blog-toggle--active .blog-toggle__line {
  background: transparent;
}

.blog-toggle--active .blog-toggle__line::before {
  top: 0;
  transform: translateX(-50%) rotate(45deg);
}

.blog-toggle--active .blog-toggle__line::after {
  top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

.site-nav__backdrop[hidden] {
  display: none;
}

.site-header--nav-open .site-nav__backdrop {
  opacity: 1;
  pointer-events: auto;
}

.nav-toggle {
  display: none;
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.9rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.nav-toggle:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.nav-toggle__line,
.nav-toggle__line::before,
.nav-toggle__line::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transform: translateX(-50%);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle__line {
  top: 50%;
  transform: translate(-50%, -50%);
}

.nav-toggle__line::before {
  top: -6px;
}

.nav-toggle__line::after {
  top: 6px;
}

.site-header--nav-open .nav-toggle {
  box-shadow: var(--shadow-card);
}

.site-header--nav-open .nav-toggle__line {
  background: transparent;
}

.site-header--nav-open .nav-toggle__line::before {
  top: 0;
  transform: translateX(-50%) rotate(45deg);
}

.site-header--nav-open .nav-toggle__line::after {
  top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

[data-theme="dark"] .nav-toggle {
  border-color: rgba(129, 140, 248, 0.35);
  background: rgba(17, 28, 48, 0.95);
}

[data-theme="dark"] .blog-toggle {
  border-color: rgba(129, 140, 248, 0.35);
  background: rgba(17, 28, 48, 0.95);
}

[data-theme="dark"] .header-actions {
  background: rgba(30, 41, 59, 0.72);
  border-color: rgba(51, 65, 85, 0.7);
  box-shadow: 0 18px 28px -24px rgba(8, 13, 24, 0.75);
}

.theme-toggle {
  border: none;
  border-radius: 50%;
  width: 2.8rem;
  height: 2.8rem;
  font-size: 1.2rem;
  cursor: pointer;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 3rem;
  padding: clamp(4rem, 8vw, 6rem) clamp(1.5rem, 5vw, 4rem);
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero__eyebrow {
  margin: 0;
  font-weight: 600;
  color: var(--color-accent);
}

.hero__description {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.02rem;
}

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

.hero__image {
  min-height: 320px;
  border-radius: 2rem;
  background: var(--color-hero-gradient);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image::before,
.hero__image::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  mix-blend-mode: screen;
}

.hero__image::before {
  width: 280px;
  height: 280px;
  background: rgba(255, 255, 255, 0.35);
  top: -60px;
  right: -80px;
}

.hero__image::after {
  width: 220px;
  height: 220px;
  background: rgba(255, 255, 255, 0.2);
  bottom: -80px;
  left: -40px;
}

.hero-showcase {
  position: relative;
  width: min(360px, 80%);
  aspect-ratio: 1;
}

.hero-showcase__floaters {
  position: absolute;
  inset: 0;
}

.hero-showcase__icon {
  position: absolute;
  width: clamp(52px, 15vw, 80px);
  height: clamp(52px, 15vw, 80px);
  border-radius: 22%;
  object-fit: cover;
  box-shadow: 0 20px 32px rgba(15, 23, 42, 0.18);
  border: 3px solid rgba(255, 255, 255, 0.7);
  --float-start-x: -8px;
  --float-start-y: 10px;
  --float-end-x: 10px;
  --float-end-y: -14px;
  animation: heroFloat var(--float-duration, 8.5s) ease-in-out infinite;
  animation-delay: var(--float-delay, 0s);
  transform: translate3d(var(--float-start-x), var(--float-start-y), 0);
  will-change: transform;
  pointer-events: none;
}

[data-theme="dark"] .hero-showcase__icon {
  box-shadow: 0 18px 32px rgba(8, 13, 24, 0.45);
  border-color: rgba(15, 23, 42, 0.55);
}

.hero-showcase__icon--1 {
  top: 12%;
  left: 18%;
  --float-delay: -2.2s;
  --float-duration: 9.2s;
  --float-start-x: -14px;
  --float-start-y: 14px;
  --float-end-x: 12px;
  --float-end-y: -16px;
}

.hero-showcase__icon--2 {
  bottom: 18%;
  left: 26%;
  --float-delay: -4.1s;
  --float-duration: 7.8s;
  --float-start-x: 16px;
  --float-start-y: -12px;
  --float-end-x: -18px;
  --float-end-y: 20px;
}

.hero-showcase__icon--3 {
  top: 10%;
  right: 16%;
  --float-delay: -1.4s;
  --float-duration: 8.6s;
  --float-start-x: -12px;
  --float-start-y: -10px;
  --float-end-x: 16px;
  --float-end-y: 14px;
}

.hero-showcase__icon--4 {
  bottom: 16%;
  right: 22%;
  --float-delay: -3.3s;
  --float-duration: 10s;
  --float-start-x: 18px;
  --float-start-y: 10px;
  --float-end-x: -16px;
  --float-end-y: -18px;
}

.hero-showcase__icon--5 {
  top: 44%;
  left: 52%;
  --float-delay: -5.5s;
  --float-duration: 9.8s;
  --float-start-x: -10px;
  --float-start-y: 8px;
  --float-end-x: 12px;
  --float-end-y: -18px;
}

.hero-showcase__icon--6 {
  top: 34%;
  left: 14%;
  --float-delay: -6.7s;
  --float-duration: 8.8s;
  --float-start-x: -12px;
  --float-start-y: 6px;
  --float-end-x: 16px;
  --float-end-y: -12px;
}

.hero-showcase__icon--7 {
  bottom: 32%;
  right: 12%;
  --float-delay: -1.9s;
  --float-duration: 9.6s;
  --float-start-x: 10px;
  --float-start-y: -8px;
  --float-end-x: -14px;
  --float-end-y: 16px;
}

.hero-showcase__icon--8 {
  top: 24%;
  left: 46%;
  --float-delay: -3.8s;
  --float-duration: 7.9s;
  --float-start-x: 8px;
  --float-start-y: -10px;
  --float-end-x: -12px;
  --float-end-y: 14px;
}

@keyframes heroFloat {
  0%,
  100% {
    transform: translate3d(var(--float-start-x), var(--float-start-y), 0);
  }
  50% {
    transform: translate3d(var(--float-end-x), var(--float-end-y), 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-showcase__icon {
    animation: none;
    transform: translate3d(0, 0, 0);
  }
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.button--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.button--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.section {
  padding: clamp(4rem, 7vw, 6rem) clamp(1.5rem, 7vw, 6rem);
}

.section--alt {
  background: var(--color-surface);
  box-shadow: inset 0 1px 0 rgba(210, 214, 220, 0.3);
}

.section__header {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section__header h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 3vw, 2.2rem);
}

.section__header p {
  margin: 0;
  color: var(--color-muted);
}

.research-overview {
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr;
  gap: clamp(1.8rem, 4vw, 3rem);
  padding: clamp(2.2rem, 5vw, 3.2rem);
  border-radius: 2rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(168, 85, 247, 0.14));
  border: 1px solid rgba(99, 102, 241, 0.18);
  box-shadow: 0 28px 60px -38px rgba(79, 70, 229, 0.3);
}

.research-overview__summary {
  display: flex;
  flex-direction: column;
  gap: clamp(1.2rem, 3vw, 1.8rem);
}

.research-overview__eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.25);
  width: fit-content;
}

.research-overview__title {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2rem);
  letter-spacing: -0.01em;
}

.research-overview__description {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.75;
}

.research-overview__points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
  color: var(--color-text);
  font-weight: 600;
}

.research-overview__points li {
  position: relative;
  padding-left: 1.25rem;
}

.research-overview__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12), 0 0 10px rgba(99, 102, 241, 0.32);
}

.research-panels {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.research-panel {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: clamp(1.4rem, 3vw, 1.8rem);
  border-radius: 1.6rem;
  background: var(--color-surface);
  border: 1px solid rgba(99, 102, 241, 0.12);
  box-shadow: var(--shadow-soft);
}

.research-panel h4 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.005em;
}

.research-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.research-panel ul li {
  position: relative;
  padding-left: 1.1rem;
}

.research-panel ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

[data-theme="dark"] .research-overview {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.2), rgba(168, 85, 247, 0.22));
  border-color: rgba(129, 140, 248, 0.3);
  box-shadow: 0 36px 80px -40px rgba(12, 16, 34, 0.7);
}

[data-theme="dark"] .research-overview__eyebrow {
  background: rgba(129, 140, 248, 0.2);
  border-color: rgba(129, 140, 248, 0.35);
  color: rgba(226, 232, 240, 0.92);
}

[data-theme="dark"] .research-overview__description,
[data-theme="dark"] .research-panel ul {
  color: rgba(226, 232, 240, 0.78);
}

[data-theme="dark"] .research-panel {
  background: rgba(15, 23, 42, 0.92);
  border-color: rgba(129, 140, 248, 0.18);
  box-shadow: 0 32px 70px -44px rgba(8, 12, 26, 0.7);
}

.blog-drawer {
  position: fixed;
  inset: 0;
  z-index: 32;
  display: flex;
  justify-content: center;
  align-items: stretch;
  padding: clamp(1.5rem, 6vw, 3rem) clamp(1rem, 6vw, 3rem);
  background: rgba(15, 23, 42, 0.48);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.blog-drawer__inner {
  position: relative;
  width: min(960px, 100%);
  max-height: 100%;
  overflow-y: auto;
  padding: clamp(2rem, 5vw, 3rem);
  border-radius: clamp(1.6rem, 4vw, 2.4rem);
  background: var(--color-surface);
  box-shadow: 0 42px 90px -40px rgba(15, 23, 42, 0.6);
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 3vw, 2.4rem);
  transform: translateY(48px);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.19, 1, 0.22, 1), opacity 0.3s ease;
}

body.blog-open .blog-drawer {
  opacity: 1;
  pointer-events: auto;
}

body.blog-open .blog-drawer__inner {
  transform: translateY(0);
  opacity: 1;
}

.blog-drawer__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(1.2rem, 3vw, 2rem);
}

.blog-drawer__eyebrow {
  margin: 0 0 0.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.16);
  border: 1px solid rgba(99, 102, 241, 0.25);
  width: fit-content;
}

.blog-drawer__intro {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.8;
}

.blog-drawer__close {
  border: none;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.8rem;
  background: rgba(99, 102, 241, 0.12);
  color: var(--color-text);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-drawer__close:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.blog-drawer__entries {
  display: grid;
  gap: clamp(1.4rem, 3vw, 1.9rem);
}

.blog-entry {
  padding: clamp(1.4rem, 3vw, 1.8rem);
  border-radius: 1.6rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 255, 0.95));
  border: 1px solid rgba(99, 102, 241, 0.1);
  box-shadow: 0 28px 60px -40px rgba(79, 70, 229, 0.25);
  display: grid;
  gap: 0.75rem;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.blog-entry:hover,
.blog-entry:focus {
  border-color: rgba(99, 102, 241, 0.18);
  box-shadow: 0 32px 70px -38px rgba(79, 70, 229, 0.32);
  transform: translateY(-3px);
}

.blog-entry:focus {
  outline: none;
}

.blog-entry:focus-visible {
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2), 0 32px 70px -38px rgba(79, 70, 229, 0.32);
  border-color: rgba(99, 102, 241, 0.28);
}

.blog-entry__meta {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(82, 96, 109, 0.7);
}

.blog-entry__title {
  margin: 0;
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  letter-spacing: -0.01em;
}

.blog-entry__excerpt {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.75;
}

.blog-drawer__footer {
  margin-top: auto;
  padding-top: clamp(1rem, 2.5vw, 1.6rem);
  border-top: 1px solid rgba(99, 102, 241, 0.16);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  color: var(--color-muted);
}

.blog-drawer__footer a {
  color: inherit;
  font-weight: 600;
}

.blog-drawer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.blog-drawer__actions .button {
  padding-inline: 1.4rem;
}

[data-theme="dark"] .blog-drawer {
  background: rgba(2, 6, 23, 0.62);
}

[data-theme="dark"] .blog-drawer__inner {
  background: rgba(17, 25, 42, 0.95);
  box-shadow: 0 46px 96px -40px rgba(4, 7, 18, 0.8);
}

[data-theme="dark"] .blog-drawer__eyebrow {
  background: rgba(129, 140, 248, 0.18);
  border-color: rgba(129, 140, 248, 0.3);
  color: rgba(226, 232, 240, 0.92);
}

[data-theme="dark"] .blog-entry {
  background: linear-gradient(135deg, rgba(17, 25, 42, 0.92), rgba(28, 39, 62, 0.9));
  border-color: rgba(129, 140, 248, 0.18);
  box-shadow: 0 28px 70px -44px rgba(6, 10, 23, 0.75);
}

[data-theme="dark"] .blog-entry:hover,
[data-theme="dark"] .blog-entry:focus {
  border-color: rgba(129, 140, 248, 0.28);
  box-shadow: 0 32px 76px -44px rgba(12, 16, 34, 0.7);
}

[data-theme="dark"] .blog-entry__meta {
  color: rgba(148, 163, 196, 0.75);
}

[data-theme="dark"] .blog-entry__excerpt,
[data-theme="dark"] .blog-drawer__intro,
[data-theme="dark"] .blog-drawer__footer {
  color: rgba(226, 232, 240, 0.78);
}

[data-theme="dark"] .blog-drawer__close {
  background: rgba(129, 140, 248, 0.2);
  color: rgba(226, 232, 240, 0.92);
}

.blog-detail {
  display: none;
  flex-direction: column;
  gap: clamp(1.2rem, 3vw, 1.8rem);
  padding: clamp(0.6rem, 2vw, 1rem) clamp(0.4rem, 2vw, 0.8rem) 0;
}

.blog-drawer--detail .blog-drawer__entries {
  display: none;
}

.blog-drawer--detail .blog-detail {
  display: flex;
}

.blog-detail__back {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(99, 102, 241, 0.18);
  background: rgba(99, 102, 241, 0.12);
  color: var(--color-accent);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-detail__back:hover,
.blog-detail__back:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -24px rgba(79, 70, 229, 0.3);
}

.blog-detail__article {
  display: grid;
  gap: clamp(1rem, 3vw, 1.6rem);
  padding: clamp(1.4rem, 3vw, 1.8rem);
  border-radius: 1.6rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 255, 0.98));
  border: 1px solid rgba(99, 102, 241, 0.12);
  box-shadow: 0 32px 68px -40px rgba(79, 70, 229, 0.28);
}

.blog-detail__meta {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(82, 96, 109, 0.7);
}

.blog-detail__title {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2rem);
  letter-spacing: -0.01em;
}

.blog-detail__content {
  display: grid;
  gap: 1.1rem;
  color: var(--color-muted);
  line-height: 1.85;
}

.blog-detail__content h4 {
  margin: 1.2rem 0 0.6rem;
  font-size: 1.1rem;
  color: var(--color-text);
}

.blog-detail__content ul {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.4rem;
}

.blog-detail__content li::marker {
  color: var(--color-accent);
}

[data-theme="dark"] .blog-detail__back {
  border-color: rgba(129, 140, 248, 0.3);
  background: rgba(129, 140, 248, 0.18);
  color: rgba(226, 232, 240, 0.92);
}

[data-theme="dark"] .blog-detail__article {
  background: linear-gradient(135deg, rgba(17, 25, 42, 0.94), rgba(28, 39, 62, 0.94));
  border-color: rgba(129, 140, 248, 0.2);
  box-shadow: 0 34px 76px -44px rgba(6, 10, 23, 0.75);
}

[data-theme="dark"] .blog-detail__meta {
  color: rgba(148, 163, 196, 0.75);
}

[data-theme="dark"] .blog-detail__content {
  color: rgba(226, 232, 240, 0.8);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.about-grid article {
  background: var(--color-surface);
  padding: 1.8rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(210, 214, 220, 0.4);
}

.about-grid h3 {
  margin-top: 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.8rem;
}

.skill-card {
  background: var(--color-background);
  padding: 1.8rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(210, 214, 220, 0.4);
  box-shadow: var(--shadow-soft);
}

.skill-card h3 {
  margin-top: 0;
}

.skill-card ul {
  padding-left: 1.2rem;
  margin: 1rem 0 0;
  color: var(--color-muted);
}

#projects {
  position: relative;
  background: radial-gradient(120% 120% at 10% 10%, rgba(99, 102, 241, 0.12), transparent 55%),
    radial-gradient(100% 120% at 85% 20%, rgba(168, 85, 247, 0.1), transparent 60%),
    var(--color-background);
  border-radius: 3rem;
  overflow: hidden;
  border: 1px solid rgba(99, 102, 241, 0.08);
  box-shadow: 0 50px 90px -80px rgba(79, 70, 229, 0.45);
}

[data-theme="dark"] #projects {
  background: radial-gradient(120% 120% at 10% 10%, rgba(129, 140, 248, 0.18), transparent 55%),
    radial-gradient(100% 120% at 85% 20%, rgba(192, 132, 252, 0.12), transparent 60%),
    rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(129, 140, 248, 0.08);
  box-shadow: 0 40px 120px -70px rgba(15, 23, 42, 0.8);
}

.projects-list {
  display: grid;
  gap: 2.4rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.projects-highlight {
  display: grid;
  gap: 0.6rem;
  align-items: center;
  justify-items: start;
  margin: 0 clamp(1rem, 5vw, 2.5rem) clamp(2.4rem, 6vw, 3rem);
  padding: clamp(1.8rem, 4vw, 2.4rem) clamp(2rem, 6vw, 3rem);
  border-radius: 2rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.18), rgba(168, 85, 247, 0.24));
  border: 1px solid rgba(99, 102, 241, 0.22);
  box-shadow: 0 32px 64px -40px rgba(79, 70, 229, 0.45);
}

.projects-highlight__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  color: rgba(63, 63, 191, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 12px 24px -18px rgba(79, 70, 229, 0.45);
}

.projects-highlight__lead {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: rgba(35, 38, 88, 0.95);
}

.projects-highlight__lead strong {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  color: #2f2ba5;
}

.projects-highlight__meta {
  margin: 0;
  color: rgba(30, 35, 70, 0.72);
  font-size: 0.92rem;
}

[data-theme="dark"] .projects-highlight {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.28), rgba(192, 132, 252, 0.32));
  border-color: rgba(129, 140, 248, 0.35);
  box-shadow: 0 40px 80px -44px rgba(12, 16, 34, 0.8);
}

[data-theme="dark"] .projects-highlight__badge {
  background: rgba(17, 24, 39, 0.65);
  color: rgba(209, 213, 255, 0.85);
  border-color: rgba(129, 140, 248, 0.4);
}

[data-theme="dark"] .projects-highlight__lead {
  color: rgba(240, 244, 255, 0.95);
}

[data-theme="dark"] .projects-highlight__lead strong {
  color: rgba(202, 211, 255, 0.95);
}

[data-theme="dark"] .projects-highlight__meta {
  color: rgba(207, 215, 255, 0.72);
}

.project-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 255, 0.96));
  border-radius: 1.8rem;
  padding: 2.2rem;
  border: 1px solid rgba(99, 102, 241, 0.08);
  box-shadow: 0 28px 60px -38px rgba(15, 23, 42, 0.25);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: transform 0.35s cubic-bezier(0.19, 1, 0.22, 1),
    box-shadow 0.35s cubic-bezier(0.19, 1, 0.22, 1), border-color 0.35s ease;
}

[data-theme="dark"] .project-card {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.85), rgba(17, 30, 50, 0.92));
  border: 1px solid rgba(129, 140, 248, 0.12);
  box-shadow: 0 30px 70px -50px rgba(12, 20, 38, 0.8);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 38px 80px -48px rgba(79, 70, 229, 0.35);
  border-color: rgba(99, 102, 241, 0.18);
}

[data-theme="dark"] .project-card:hover {
  box-shadow: 0 40px 120px -60px rgba(99, 102, 241, 0.4);
  border-color: rgba(129, 140, 248, 0.28);
}

.project-card__header {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.project-card__icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: 0 20px 38px -24px rgba(15, 23, 42, 0.5);
  flex-shrink: 0;
}

.project-card__tag {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.16), rgba(168, 85, 247, 0.18));
  border: 1px solid rgba(99, 102, 241, 0.35);
  padding: 0.45rem 0.9rem 0.45rem 1.1rem;
  border-radius: 999px;
  margin: 0.65rem 0 0;
  box-shadow: 0 18px 30px -24px rgba(79, 70, 229, 0.7);
}

.project-card__tag::before {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12), 0 0 8px rgba(99, 102, 241, 0.5);
}

.project-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.project-card__body {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.project-card__description {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.project-card__points {
  margin: 0;
  padding-left: 0;
  color: var(--color-muted);
  font-size: 0.94rem;
  display: grid;
  gap: 0.45rem;
  list-style: none;
}

.project-card__points li {
  position: relative;
  padding-left: 0.9rem;
}

.project-card__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  box-shadow: 0 0 6px rgba(99, 102, 241, 0.4);
}

.project-card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.project-card__meta {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(82, 96, 109, 0.85);
}

[data-theme="dark"] .project-card__meta {
  color: rgba(226, 232, 240, 0.72);
}

.project-card__actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.75rem;
}

.project-card__actions .button {
  padding-inline: 1.2rem;
}

.project-card__link {
  white-space: nowrap;
  padding-inline: 1.4rem;
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.08);
}

.project-card__link:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px -24px rgba(79, 70, 229, 0.45);
}

[data-theme="dark"] .project-card__link {
  border-color: rgba(129, 140, 248, 0.5);
  background: rgba(129, 140, 248, 0.12);
  color: rgba(226, 232, 240, 0.9);
}

.app-detail {
  padding: clamp(3rem, 7vw, 6rem);
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
}

.app-detail__hero {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: minmax(120px, 180px) 1fr;
  align-items: start;
}

.app-detail__icon {
  width: clamp(120px, 20vw, 180px);
  height: clamp(120px, 20vw, 180px);
  border-radius: 32px;
  object-fit: cover;
  box-shadow: 0 40px 70px -40px rgba(79, 70, 229, 0.4);
}

.app-detail__category {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(82, 96, 109, 0.7);
}

[data-theme="dark"] .app-detail__category {
  color: rgba(226, 232, 240, 0.6);
}

.app-detail__lead {
  margin: 0.25rem 0 0.75rem;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--color-accent);
}

.app-detail__summary {
  margin: 0 0 clamp(1.5rem, 3vw, 2.2rem);
  color: var(--color-muted);
  line-height: 1.75;
}

.app-detail__stats {
  margin: 0 0 clamp(1.5rem, 3vw, 2.2rem);
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.app-detail__stats div {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(168, 85, 247, 0.06));
  border-radius: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(99, 102, 241, 0.12);
  box-shadow: 0 16px 32px -28px rgba(79, 70, 229, 0.3);
}

[data-theme="dark"] .app-detail__stats div {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.14), rgba(192, 132, 252, 0.08));
  border-color: rgba(129, 140, 248, 0.16);
}

.app-detail__stats dt {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(82, 96, 109, 0.75);
  margin-bottom: 0.35rem;
}

[data-theme="dark"] .app-detail__stats dt {
  color: rgba(226, 232, 240, 0.7);
}

.app-detail__stats dd {
  margin: 0;
  font-weight: 600;
}

.app-detail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.app-detail__section {
  display: grid;
  gap: 1rem;
}

.app-detail__section h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2vw, 1.6rem);
}

.app-detail__section p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.8;
}

.app-detail__list {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.app-detail__list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--color-muted);
  line-height: 1.7;
}

.app-detail__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  box-shadow: 0 0 6px rgba(99, 102, 241, 0.5);
}

@media (max-width: 768px) {
  .app-detail__hero {
    grid-template-columns: 1fr;
  }

  .app-detail__icon {
    justify-self: start;
  }

  .app-detail__actions {
    width: 100%;
  }

  .app-detail__actions .button {
    flex: 1 1 auto;
    justify-content: center;
  }
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1.8rem, 4vw, 2.6rem);
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: clamp(2.2rem, 6vw, 3rem);
  bottom: clamp(2.2rem, 6vw, 3rem);
  left: clamp(32px, 8vw, 48px);
  width: 2px;
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.45), rgba(99, 102, 241, 0));
  pointer-events: none;
}

.timeline__point {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: clamp(1rem, 3vw, 1.5rem);
}

.timeline__icon {
  position: relative;
  width: clamp(64px, 10vw, 80px);
  height: clamp(64px, 10vw, 80px);
  display: grid;
  place-items: center;
  filter: drop-shadow(0 18px 26px rgba(15, 23, 42, 0.25));
  z-index: 1;
}

.timeline__icon::after {
  content: "";
  position: absolute;
  top: calc(100% + clamp(0.4rem, 1vw, 0.6rem));
  left: 50%;
  width: 2px;
  height: clamp(1.8rem, 4vw, 2.5rem);
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(148, 163, 255, 0.5), rgba(148, 163, 255, 0));
}

.timeline li:last-child .timeline__icon::after {
  display: none;
}

.timeline__icon svg {
  width: 100%;
  height: auto;
}

.timeline__body {
  position: relative;
  padding: clamp(1.2rem, 3vw, 1.6rem) clamp(1rem, 3vw, 1.4rem);
  border-radius: clamp(1.4rem, 4vw, 1.8rem);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 248, 255, 0.75));
  box-shadow: 0 24px 44px -32px rgba(15, 23, 42, 0.28);
  border: 1px solid rgba(148, 163, 184, 0.28);
}

.timeline__time {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  background: rgba(99, 102, 241, 0.12);
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.timeline__body h3 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.1rem, 2.3vw, 1.3rem);
}

.timeline__body p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.75;
}

.timeline__point--learn .timeline__body {
  background: linear-gradient(135deg, rgba(226, 239, 255, 0.92), rgba(239, 246, 255, 0.82));
}

.timeline__point--launch .timeline__body {
  background: linear-gradient(135deg, rgba(240, 233, 255, 0.92), rgba(246, 241, 255, 0.82));
}

.timeline__point--expand .timeline__body {
  background: linear-gradient(135deg, rgba(249, 230, 248, 0.92), rgba(250, 240, 255, 0.82));
}

.timeline__point--habit .timeline__body {
  background: linear-gradient(135deg, rgba(222, 255, 244, 0.92), rgba(232, 255, 250, 0.82));
}

.timeline__point--future .timeline__body {
  background: linear-gradient(135deg, rgba(255, 245, 224, 0.94), rgba(255, 235, 245, 0.84));
}

[data-theme="dark"] .timeline::before {
  background: linear-gradient(180deg, rgba(129, 140, 248, 0.6), rgba(129, 140, 248, 0));
}

[data-theme="dark"] .timeline__icon::after {
  background: linear-gradient(180deg, rgba(129, 140, 248, 0.65), rgba(129, 140, 248, 0));
}

[data-theme="dark"] .timeline__body {
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.92), rgba(30, 41, 59, 0.88));
  border-color: rgba(51, 65, 85, 0.55);
  box-shadow: 0 30px 60px -36px rgba(6, 10, 21, 0.65);
}

[data-theme="dark"] .timeline__point--learn .timeline__body {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.92), rgba(46, 60, 90, 0.9));
}

[data-theme="dark"] .timeline__point--launch .timeline__body {
  background: linear-gradient(135deg, rgba(38, 33, 72, 0.95), rgba(49, 46, 90, 0.9));
}

[data-theme="dark"] .timeline__point--expand .timeline__body {
  background: linear-gradient(135deg, rgba(48, 29, 69, 0.96), rgba(62, 35, 92, 0.92));
}

[data-theme="dark"] .timeline__point--habit .timeline__body {
  background: linear-gradient(135deg, rgba(20, 50, 48, 0.96), rgba(18, 60, 76, 0.92));
}

[data-theme="dark"] .timeline__point--future .timeline__body {
  background: linear-gradient(135deg, rgba(64, 46, 13, 0.96), rgba(88, 28, 48, 0.92));
}

[data-theme="dark"] .timeline__time {
  background: rgba(129, 140, 248, 0.15);
  color: rgba(196, 210, 255, 0.92);
}

.contact-form {
  display: grid;
  gap: 1.5rem;
  max-width: 520px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

label {
  font-weight: 600;
}

input,
textarea {
  padding: 0.85rem 1rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(210, 214, 220, 0.6);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1rem;
  transition: box-shadow 0.2s ease, border 0.2s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.contact-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.site-footer {
  padding: 2rem clamp(1.5rem, 5vw, 4rem);
  text-align: center;
  color: var(--color-muted);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid rgba(210, 214, 220, 0.5);
}

.to-top {
  color: var(--color-accent);
  font-weight: 600;
}

@media (max-width: 768px) {
  .hero__image {
    min-height: 260px;
  }
}

@media (max-width: 900px) {
  .research-overview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --header-offset: clamp(96px, 18vh, 120px);
  }

  body {
    line-height: 1.7;
  }

  .site-header {
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem clamp(1rem, 6vw, 1.4rem);
  }

  .site-header__inner {
    grid-template-columns: auto auto;
    width: 100%;
    padding: 0;
    border: none;
    background: transparent;
    box-shadow: none;
    gap: 0.75rem;
  }

  .brand {
    flex: 1 1 auto;
  }

  .header-actions {
    margin-left: auto;
    gap: 0.6rem;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
  }

  [data-theme="dark"] .header-actions {
    background: none;
    border: none;
    box-shadow: none;
  }

  .theme-toggle {
    width: 2.6rem;
    height: 2.6rem;
  }

  .blog-toggle {
    width: 2.6rem;
    height: 2.6rem;
  }

  .blog-toggle {
    background: var(--color-accent);
    border-color: transparent;
    color: #fff;
  }

  .blog-toggle::before {
    content: "";
    position: absolute;
    top: calc(50% - 12px);
    left: calc(50% - 12px);
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 8px 0 0 rgba(255, 255, 255, 0.92), 0 16px 0 0 rgba(255, 255, 255, 0.92);
    opacity: 0.85;
    z-index: 0;
    transition: opacity 0.25s ease;
  }

  .blog-toggle__line,
  .blog-toggle__line::before,
  .blog-toggle__line::after {
    width: 18px;
    background: #fff;
    z-index: 1;
  }

  .blog-toggle__line {
    transform: translate(-50%, -50%);
  }

  .blog-toggle--active::before {
    opacity: 0;
  }

  .blog-toggle--active .blog-toggle__line::before,
  .blog-toggle--active .blog-toggle__line::after {
    background: #fff;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: clamp(1rem, 6vw, 1.5rem);
    left: clamp(1rem, 6vw, 1.5rem);
    background: var(--color-surface);
    border: 1px solid rgba(210, 214, 220, 0.65);
    border-radius: 1.5rem;
    padding: 1.4rem;
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    z-index: 9;
  }

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

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .site-nav a {
    width: 100%;
    font-weight: 600;
    font-size: 0.98rem;
    padding: 0.85rem 1.1rem;
    border-radius: 1.1rem;
    color: var(--color-text);
    background: rgba(99, 102, 241, 0.06);
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav a:hover,
  .site-nav a:focus {
    background: rgba(99, 102, 241, 0.12);
    box-shadow: none;
  }

  .site-nav li:last-child a {
    background: var(--color-accent);
    color: #fff;
    border-color: transparent;
    box-shadow: var(--shadow-soft);
  }

  [data-theme="dark"] .site-nav a {
    color: rgba(226, 232, 240, 0.9);
    background: rgba(129, 140, 248, 0.12);
  }

  [data-theme="dark"] .site-nav a:hover,
  [data-theme="dark"] .site-nav a:focus {
    background: rgba(129, 140, 248, 0.2);
  }

  [data-theme="dark"] .site-nav li:last-child a {
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.6), rgba(192, 132, 252, 0.55));
    color: #fff;
  }

  [data-theme="dark"] .site-nav {
    background: rgba(17, 28, 48, 0.95);
    border-color: rgba(129, 140, 248, 0.35);
    box-shadow: 0 24px 48px -28px rgba(8, 13, 24, 0.6);
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: clamp(3.2rem, 12vw, 4rem) clamp(1.2rem, 9vw, 2rem);
  }

  .hero__content {
    order: 2;
  }

  .hero__description {
    font-size: 0.96rem;
  }

  .hero__actions {
    width: 100%;
    flex-direction: column;
  }

  .hero__actions .button {
    width: 100%;
  }

  .hero__image {
    order: 1;
    width: min(320px, 88vw);
    min-height: 260px;
    margin: 0 auto;
  }

  .hero-showcase {
    max-width: 300px;
    width: 100%;
  }

  .hero-showcase__icon {
    width: clamp(48px, 22vw, 64px);
    height: clamp(48px, 22vw, 64px);
    border-width: 2px;
  }

  .section {
    padding: clamp(2.8rem, 11vw, 3.6rem) clamp(1.1rem, 9vw, 2rem);
  }

  .section__header {
    margin-bottom: 1.8rem;
  }

  .section__header p {
    font-size: 0.95rem;
  }

  .about-grid article,
  .skill-card,
  .project-card {
    padding: 1.6rem;
  }

  .skills-grid,
  .projects-list {
    grid-template-columns: 1fr;
  }

  .projects-highlight {
    margin: 0 0 clamp(1.5rem, 8vw, 2.5rem);
    padding: clamp(1.6rem, 8vw, 2.1rem) clamp(1.4rem, 9vw, 1.9rem);
    border-radius: 1.6rem;
    justify-items: stretch;
  }

  .projects-highlight__lead {
    font-size: clamp(1.35rem, 6vw, 1.7rem);
  }

  .projects-highlight__lead strong {
    font-size: clamp(1.55rem, 7vw, 2rem);
  }

  .projects-highlight__meta {
    font-size: 0.88rem;
  }

  .project-card__header {
    align-items: center;
  }

  .project-card__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .project-card__actions {
    width: 100%;
  }

  .project-card__actions .button {
    width: 100%;
  }

  .timeline {
    gap: clamp(1.4rem, 5vw, 1.9rem);
    padding-left: 0;
  }

  .timeline::before {
    left: clamp(28px, 12vw, 42px);
    top: clamp(1.6rem, 6vw, 2.4rem);
    bottom: clamp(1.6rem, 6vw, 2.4rem);
  }

  .timeline__point {
    grid-template-columns: auto 1fr;
    align-items: flex-start;
    gap: clamp(0.9rem, 4vw, 1.2rem);
  }

  .timeline__icon {
    width: clamp(60px, 18vw, 74px);
    height: clamp(60px, 18vw, 74px);
  }

  .timeline__icon::after {
    height: clamp(1.2rem, 5vw, 1.8rem);
  }

  .timeline__body {
    padding: clamp(1rem, 4vw, 1.4rem) clamp(0.9rem, 4vw, 1.2rem);
  }

  .research-overview {
    padding: clamp(1.6rem, 6vw, 2rem);
    gap: clamp(1.2rem, 5vw, 1.8rem);
  }

  .research-overview__points {
    font-size: 0.95rem;
  }

  .research-panels {
    gap: clamp(1rem, 5vw, 1.4rem);
  }

  .research-panel {
    padding: clamp(1.1rem, 5vw, 1.4rem);
  }

  .blog-drawer {
    padding: clamp(1rem, 8vw, 1.6rem) clamp(0.6rem, 8vw, 1.2rem);
  }

  .blog-drawer__inner {
    border-radius: 1.4rem;
    padding: clamp(1.6rem, 8vw, 2rem);
  }

  .blog-drawer__header {
    flex-direction: column;
    gap: 1rem;
  }

  .blog-drawer__inner {
    padding-top: clamp(3.6rem, 12vw, 4.4rem);
  }

  .blog-drawer__close {
    position: fixed;
    top: clamp(0.7rem, 4vw, 1.2rem);
    right: clamp(0.7rem, 4vw, 1.2rem);
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 999px;
    background: var(--color-accent);
    color: #fff;
    box-shadow: var(--shadow-card);
    z-index: 48;
    pointer-events: none;
  }

  body.blog-open .blog-drawer__close {
    pointer-events: auto;
  }

  [data-theme="dark"] body.blog-open .blog-drawer__close {
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.95), rgba(192, 132, 252, 0.88));
  }

  .blog-entry {
    padding: clamp(1.2rem, 7vw, 1.6rem);
  }

  .blog-detail__back {
    width: 100%;
    justify-content: center;
  }

  .blog-detail__article {
    padding: clamp(1.1rem, 6vw, 1.5rem);
  }

  .blog-detail__title {
    font-size: clamp(1.4rem, 6vw, 1.7rem);
  }

  .contact-form {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .site-header {
    gap: 0.6rem;
  }

  .header-actions {
    gap: 0.5rem;
  }

  .nav-toggle {
    width: 2.5rem;
    height: 2.5rem;
  }

  .theme-toggle {
    width: 2.4rem;
    height: 2.4rem;
  }

  .blog-toggle {
    width: 2.4rem;
    height: 2.4rem;
  }

  .site-nav {
    left: clamp(0.75rem, 8vw, 1.2rem);
    right: clamp(0.75rem, 8vw, 1.2rem);
    padding: 1.2rem;
  }

  .site-nav a {
    font-size: 0.94rem;
  }

  .hero {
    padding: clamp(2.8rem, 12vw, 3.4rem) clamp(1rem, 8vw, 1.6rem);
  }

  .hero__image {
    min-height: 240px;
  }

  .hero-showcase {
    max-width: 260px;
  }

  .hero-showcase__icon {
    width: clamp(44px, 24vw, 58px);
    height: clamp(44px, 24vw, 58px);
  }

  .projects-highlight {
    padding: clamp(1.4rem, 10vw, 1.8rem) clamp(1.2rem, 10vw, 1.5rem);
    gap: 0.45rem;
  }

  .projects-highlight__badge {
    font-size: 0.72rem;
    padding: 0.4rem 0.8rem;
  }

  .projects-highlight__meta {
    font-size: 0.84rem;
  }

  .blog-detail__article {
    padding: clamp(1rem, 10vw, 1.3rem);
  }

  .blog-detail__content {
    gap: 0.9rem;
  }

  .hero-showcase__icon--1 {
    top: 4%;
    left: 16%;
    --float-start-x: -12px;
    --float-start-y: 12px;
    --float-end-x: 10px;
    --float-end-y: -14px;
  }

  .hero-showcase__icon--2 {
    bottom: 12%;
    left: 24%;
    --float-start-x: 14px;
    --float-start-y: -10px;
    --float-end-x: -16px;
    --float-end-y: 16px;
  }

  .hero-showcase__icon--3 {
    top: 8%;
    right: 16%;
    --float-start-x: -10px;
    --float-start-y: -8px;
    --float-end-x: 14px;
    --float-end-y: 12px;
  }

  .hero-showcase__icon--4 {
    bottom: 14%;
    right: 20%;
    --float-start-x: 14px;
    --float-start-y: 8px;
    --float-end-x: -14px;
    --float-end-y: -16px;
  }

  .hero-showcase__icon--5 {
    top: 44%;
    left: 50%;
    --float-start-x: -8px;
    --float-start-y: 8px;
    --float-end-x: 10px;
    --float-end-y: -14px;
  }

  .hero-showcase__icon--6 {
    top: 32%;
    left: 10%;
    --float-start-x: -10px;
    --float-start-y: 6px;
    --float-end-x: 14px;
    --float-end-y: -12px;
  }

  .hero-showcase__icon--7 {
    bottom: 26%;
    right: 10%;
    --float-start-x: 10px;
    --float-start-y: -8px;
    --float-end-x: -12px;
    --float-end-y: 14px;
  }

  .hero-showcase__icon--8 {
    top: 26%;
    left: 44%;
    --float-start-x: 6px;
    --float-start-y: -8px;
    --float-end-x: -10px;
    --float-end-y: 12px;
  }

  .section__header h2 {
    font-size: clamp(1.6rem, 8vw, 1.9rem);
  }

  .project-card__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-card__icon {
    width: 64px;
    height: 64px;
  }

  .project-card__footer {
    gap: 0.9rem;
  }

  .timeline::before {
    left: clamp(22px, 16vw, 34px);
  }

  .timeline__icon {
    width: clamp(54px, 28vw, 62px);
    height: clamp(54px, 28vw, 62px);
  }

  .timeline__icon::after {
    height: clamp(0.8rem, 8vw, 1.2rem);
  }

  .timeline__body {
    padding: clamp(0.8rem, 6vw, 1.1rem) clamp(0.7rem, 7vw, 1rem);
  }

  .blog-drawer__inner {
    padding: clamp(1.4rem, 10vw, 1.8rem);
  }

  .blog-entry__meta {
    font-size: 0.74rem;
  }

  .contact-note {
    font-size: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
#about,
#projects,
#research,
#timeline,
#contact {
  scroll-margin-top: var(--header-offset);
}

#top {
  scroll-margin-top: calc(var(--header-offset) * 0.6);
}