/* =========================
   Base & Theme – Dark Black Glass
   ========================= */
:root {
  /* Core palette – black & deep navy */
  --color-bg: #02030a;
  --color-bg-soft: #050716;
  --color-surface: rgba(12, 16, 32, 0.96);
  --color-surface-alt: rgba(16, 22, 44, 0.96);

  /* Neon-ish accent (inferred) */
  --color-primary: #4f9cff;
  --color-primary-soft: #233555;
  --color-primary-strong: #8ad4ff;

  --color-border-soft: rgba(143, 186, 255, 0.35);
  --color-border-strong: rgba(143, 186, 255, 0.8);

  --color-text: #f4f7ff;
  --color-muted: #9aa4c0;
  --color-code-bg: #050716;

  --shadow-sm: 0 18px 45px rgba(0, 0, 0, 0.8);

  --radius-lg: 1.1rem;
  --radius-md: 0.75rem;
  --radius-pill: 999px;

  --easing-cinematic: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top left, #101627 0, transparent 55%),
    radial-gradient(circle at 110% 0%, #11192c 0, transparent 60%), #02030a;
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Layout */
.container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

.section {
  padding: 4.5rem 0;
}

.section__header {
  max-width: 720px;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.section__header h2 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
  letter-spacing: -0.03em;
  color: var(--color-primary-strong);
  text-shadow: 0 0 18px rgba(143, 186, 255, 0.7);
}

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

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0.5rem;
  background: var(--color-primary);
  color: #050716;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  z-index: 9999;
}

.skip-link:focus-visible {
  left: 0.5rem;
}

/* =========================
   Header & Nav – Glassy Black Bar
   ========================= */
.site-header {
  position: sticky;
  top: 0.75rem;
  z-index: 1000;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.55rem;
  padding-inline: 1.25rem;
  margin-inline: auto;
  width: min(1120px, 100% - 2.5rem);

  background: radial-gradient(
      circle at top left,
      rgba(79, 156, 255, 0.35),
      transparent 55%
    ),
    linear-gradient(135deg, rgba(7, 9, 22, 0.98), rgba(11, 15, 32, 0.98));
  border-radius: 999px;
  border: 1px solid rgba(143, 186, 255, 0.55);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(18px);
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: #f4f7ff;
}

.logo__mark {
  background: radial-gradient(circle at 30% 30%, #4f9cff, #11182e);
  color: #050716;
  border-radius: 0.8rem;
  width: 2.2rem;
  height: 2.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.9);
  border: 1px solid rgba(143, 186, 255, 0.85);
}

.logo__text {
  font-weight: 600;
  font-size: 0.95rem;
}

/* Nav */
.site-nav__list {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
}

.site-nav__list a {
  text-decoration: none;
  color: #d0ddff;
  font-size: 0.95rem;
  position: relative;
  padding-block: 0.25rem;
  transition: color 0.6s var(--easing-cinematic),
    text-shadow 0.6s var(--easing-cinematic);
}

.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.25rem;
  height: 2px;
  transform-origin: center;
  transform: scaleX(0);
  background: var(--color-primary-strong);
  box-shadow: 0 0 12px rgba(143, 186, 255, 0.9);
  transition: transform 0.6s var(--easing-cinematic);
}

.site-nav__list a:hover,
.site-nav__list a:focus-visible {
  color: #ffffff;
  text-shadow: 0 0 18px rgba(143, 186, 255, 1);
}

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

/* Mobile nav (checkbox hack) */
.nav-toggle {
  display: none;
}
.nav-toggle-label {
  display: none;
}

/* =========================
   Hero – Dark Cinematic
   ========================= */
.section--hero {
  position: relative;
  overflow: hidden;
  padding-top: 7rem;
  padding-bottom: 4.5rem;
}

.section--hero::before {
  content: "";
  position: absolute;
  inset: -20%;
  background: radial-gradient(
      circle at 10% 15%,
      rgba(79, 156, 255, 0.32),
      transparent 60%
    ),
    radial-gradient(
      circle at 90% 25%,
      rgba(178, 203, 255, 0.3),
      transparent 65%
    ),
    radial-gradient(circle at 20% 90%, rgba(19, 32, 72, 0.7), transparent 60%);
  opacity: 0.85;
  animation: hero-orbit 18s var(--easing-cinematic) infinite alternate;
  pointer-events: none;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr);
  gap: 3rem;
  align-items: center;
  animation: fade-up 0.9s var(--easing-cinematic);
}

.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  color: var(--color-muted);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero__title {
  margin: 0 0 0.75rem;
  font-size: clamp(2.4rem, 4vw, 3rem);
  letter-spacing: -0.05em;
  color: #ffffff;
  text-shadow: 0 0 24px rgba(0, 0, 0, 0.9);
}

.hero__subtitle {
  margin: 0 0 1.75rem;
  color: var(--color-muted);
  font-size: 1rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.hero__highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero__highlights li {
  font-size: 0.85rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  background: rgba(143, 186, 255, 0.14);
  color: #f4f7ff;
  border: 1px solid rgba(143, 186, 255, 0.4);
}

.hero__visual {
  align-self: stretch;
}

.hero-diagram {
  margin: 0;
  padding: 1.25rem;
  background: linear-gradient(
    145deg,
    rgba(10, 13, 30, 0.98),
    rgba(16, 23, 48, 0.98)
  );
  border-radius: var(--radius-lg);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.95);
  border: 1px solid rgba(143, 186, 255, 0.45);
  backdrop-filter: blur(20px);
  transform: perspective(900px) rotateY(-4deg);
  transition: transform 0.8s var(--easing-cinematic),
    box-shadow 0.8s var(--easing-cinematic);
}

.hero-diagram:hover {
  transform: perspective(900px) rotateY(0deg) translateY(-4px);
  box-shadow: 0 34px 110px rgba(0, 0, 0, 1);
}

.hero-diagram img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-diagram__caption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* =========================
   About & Skills – Glass Panels
   ========================= */
.section--about {
  background: radial-gradient(circle at top, #0a0d1e, #02030a 65%);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.about-card,
.skills-card {
  background: linear-gradient(
    145deg,
    rgba(9, 12, 28, 0.98),
    rgba(15, 21, 44, 0.98)
  );
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.9rem;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.9);
  border: 1px solid var(--color-border-soft);
  backdrop-filter: blur(18px);
  transition: transform 0.6s var(--easing-cinematic),
    box-shadow 0.6s var(--easing-cinematic),
    border-color 0.6s var(--easing-cinematic),
    background-color 0.6s var(--easing-cinematic);
}

.about-card:hover,
.about-card:focus-within,
.skills-card:hover,
.skills-card:focus-within {
  transform: translateY(-6px) rotate3d(0.3, 0.5, 0, 3deg);
  box-shadow: 0 34px 110px rgba(0, 0, 0, 1);
  border-color: var(--color-border-strong);
}

.about-card h3,
.skills-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.about-card p {
  color: var(--color-muted);
}

/* Skills grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
  margin-bottom: 1.75rem;
}

.skills-group h4 {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
  color: #f4f7ff;
}

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.badge {
  font-size: 0.78rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  background: radial-gradient(
    circle at top left,
    rgba(143, 186, 255, 0.22),
    rgba(10, 13, 28, 0.98)
  );
  border: 1px solid rgba(143, 186, 255, 0.4);
  color: #f4f7ff;
}

/* Skill bars */
.skills-bars {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.skills-bars__item {
  font-size: 0.85rem;
}

.skills-bars__label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.25rem;
  color: var(--color-muted);
}

.skills-bars__track {
  background: rgba(5, 7, 22, 0.98);
  border-radius: var(--radius-pill);
  overflow: hidden;
  height: 0.5rem;
}

.skills-bars__value {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, #4f9cff, #8ad4ff);
  transform-origin: left;
  transform: scaleX(0);
  animation: bar-grow 1.4s var(--easing-cinematic) forwards;
}

.skills-bars__value--iac {
  width: 90%;
}
.skills-bars__value--networking {
  width: 85%;
}
.skills-bars__value--cicd {
  width: 80%;
}

/* =========================
   Projects – Glass Cards + Full Details Below
   ========================= */
/* =========================
   Projects – Glass Cards + Smooth Details
   ========================= */

.section--projects {
  background: radial-gradient(circle at top, #0b1022, #02030a 70%);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
  align-items: flex-start;
}

/* Hidden checkbox controller */
.project-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* 3D float + hover */
@keyframes card-float {
  0% {
    transform: translateY(0) rotate3d(0, 0, 0, 0deg);
  }
  50% {
    transform: translateY(-4px) rotate3d(0.15, 0.25, 0, 2deg);
  }
  100% {
    transform: translateY(0) rotate3d(0, 0, 0, 0deg);
  }
}

.project-card {
  position: relative;
  background: linear-gradient(
    150deg,
    rgba(10, 13, 28, 0.98),
    rgba(15, 21, 44, 0.98)
  );
  border-radius: var(--radius-lg);
  box-shadow: 0 26px 85px rgba(0, 0, 0, 0.95);
  border: 1px solid var(--color-border-soft);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  backdrop-filter: blur(18px);
  transition: transform 0.6s var(--easing-cinematic),
    box-shadow 0.6s var(--easing-cinematic),
    border-color 0.6s var(--easing-cinematic),
    background-color 0.6s var(--easing-cinematic);
  animation: card-float 12s ease-in-out infinite;
}

.project-card:nth-child(even) {
  animation-duration: 15s;
  animation-delay: 0.6s;
}

/* Normal hover */
.project-card:hover,
.project-card:focus-within {
  transform: translateY(-6px) scale(1.01) rotate3d(0.2, 0.35, 0, 3deg);
  box-shadow: 0 34px 115px rgba(0, 0, 0, 1);
  border-color: var(--color-border-strong);
}

/* When toggle is ON → card becomes hero of the row (full width) */
/* :has is supported in modern Chrome/Safari/Edge – DevOps audience uses these anyway */
.projects-grid .project-card:has(.project-toggle:checked) {
  grid-column: 1 / -1;
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 42px 130px rgba(0, 0, 0, 1);
  border-color: var(--color-border-strong);
}

/* Thumbnail */
.project-card__thumb img {
  width: 100%;
  display: block;
  height: 170px;
  object-fit: cover;
  background: radial-gradient(
    circle at top left,
    rgba(143, 186, 255, 0.26),
    rgba(10, 13, 28, 1)
  );
}

.project-card__body {
  padding: 1.25rem 1.5rem 0.75rem;
}

.project-card__title {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
  color: #ffffff;
}

.project-card__tagline {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.project-card__stack {
  margin: 0;
  font-size: 0.85rem;
  color: #dbe3ff;
}

.project-card__actions {
  padding: 0.75rem 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.project-card__note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* “View Details” label as button */
.project-details__toggle {
  width: 100%;
  cursor: pointer;
}

/* ===== GLASS DETAILS PANEL – smooth expand, no page jump ===== */

/* Base (closed) state */
.project-details {
  margin-top: 0.8rem;
  border-radius: 1rem;
  background: linear-gradient(
    145deg,
    rgba(7, 9, 22, 0.98),
    rgba(12, 18, 38, 0.98)
  );
  border: 1px solid rgba(143, 186, 255, 0.45);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 1);
  overflow: hidden;

  max-height: 0;
  opacity: 0;
  transform: scale(0.98);
  transform-origin: top center;
  pointer-events: none;

  transition: max-height 0.6s var(--easing-cinematic),
    opacity 0.6s var(--easing-cinematic), transform 0.6s var(--easing-cinematic),
    margin-top 0.6s var(--easing-cinematic);
}

/* Checkbox checked → smoothly open */
.project-card .project-toggle:checked ~ .project-details {
  max-height: 2200px; /* enough for full content */
  opacity: 1;
  transform: scale(1); /* slight horizontal+vertical pop */
  pointer-events: auto;
  margin-top: 1.4rem;
}

/* Details content */
.project-details__content {
  padding: 1.1rem 1.25rem 1.2rem;
  font-size: 0.9rem;
  color: #f4f7ff;
}

.project-details__content h4,
.project-details__content h5 {
  margin: 0.7rem 0 0.25rem;
  color: #ffffff;
}

.project-details__content ul {
  padding-left: 1.25rem;
  margin: 0.2rem 0 0.45rem;
}

.project-figure {
  margin: 0.35rem 0 0.6rem;
}

.project-figure img {
  border-radius: 0.8rem;
  border: 1px solid rgba(143, 186, 255, 0.5);
}

.project-figure figcaption {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 0.35rem;
}

.project-details__note {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* Close = label toggling checkbox off */
.project-details__close {
  display: inline-flex;
  margin-top: 0.9rem;
  font-size: 0.82rem;
  text-decoration: none;
  color: #f4f7ff;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(143, 186, 255, 0.7);
  background: rgba(10, 13, 28, 0.96);
  cursor: pointer;
  transition: background 0.3s var(--easing-cinematic),
    box-shadow 0.3s var(--easing-cinematic),
    transform 0.3s var(--easing-cinematic);
}

.project-details__close:hover,
.project-details__close:focus-visible {
  background: rgba(143, 186, 255, 0.16);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.9);
  transform: translateY(-1px);
}

/* =========================
   Case Studies
   ========================= */
.section--cases {
  background: radial-gradient(circle at top, #0a0d1e, #02030a 65%);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.case-card {
  background: linear-gradient(
    145deg,
    rgba(10, 13, 28, 0.98),
    rgba(15, 21, 44, 0.98)
  );
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.7rem;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.95);
  border: 1px solid var(--color-border-soft);
  font-size: 0.9rem;
  backdrop-filter: blur(18px);
  transition: transform 0.6s var(--easing-cinematic),
    box-shadow 0.6s var(--easing-cinematic),
    border-color 0.6s var(--easing-cinematic);
}

.case-card:hover,
.case-card:focus-within {
  transform: translateY(-5px) scale(1.01) rotate3d(0.2, 0.3, 0, 2deg);
  box-shadow: 0 34px 110px rgba(0, 0, 0, 1);
  border-color: var(--color-border-strong);
}

.case-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.case-card dl {
  margin: 0;
}

.case-card dt {
  font-weight: 600;
  margin-top: 0.4rem;
  color: #f4f7ff;
}

.case-card dd {
  margin: 0.1rem 0 0.4rem;
  color: var(--color-muted);
}

/* =========================
   Blog
   ========================= */
.section--blog {
  background: radial-gradient(circle at bottom, #11162a, #02030a 70%);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}

.blog-card {
  background: linear-gradient(
    150deg,
    rgba(10, 13, 28, 0.98),
    rgba(15, 21, 44, 0.98)
  );
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.4rem;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.9);
  border: 1px solid var(--color-border-soft);
  font-size: 0.9rem;
  backdrop-filter: blur(18px);
  transition: transform 0.6s var(--easing-cinematic),
    box-shadow 0.6s var(--easing-cinematic),
    border-color 0.6s var(--easing-cinematic);
}

.blog-card:hover,
.blog-card:focus-within {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 1);
  border-color: var(--color-border-strong);
}

.blog-card h3 {
  margin: 0 0 0.5rem;
  color: #ffffff;
}

/* =========================
   Contact
   ========================= */
.section--contact {
  background: radial-gradient(circle at top, #0a0d1e, #02030a 65%);
}

.contact-layout {
  max-width: 720px;
}

.contact-card {
  background: linear-gradient(
    145deg,
    rgba(10, 13, 28, 0.98),
    rgba(15, 21, 44, 0.98)
  );
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.9rem;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.95);
  border: 1px solid var(--color-border-soft);
  backdrop-filter: blur(18px);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.contact-list a {
  text-decoration: none;
  color: var(--color-primary-strong);
  font-weight: 500;
  transition: color 0.3s var(--easing-cinematic),
    text-shadow 0.3s var(--easing-cinematic);
}

.contact-list a:hover,
.contact-list a:focus-visible {
  color: #ffffff;
  text-shadow: 0 0 14px rgba(143, 186, 255, 1);
}

.contact-note {
  display: block;
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* =========================
   Footer
   ========================= */
.site-footer {
  background: #02030a;
  border-top: 1px solid rgba(143, 186, 255, 0.3);
  padding: 1.25rem 0 1.5rem;
  font-size: 0.85rem;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: center;
  color: #f4f7ff;
}

/* =========================
   Buttons – Glassy
   ========================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  transition: background 0.3s var(--easing-cinematic),
    color 0.3s var(--easing-cinematic), box-shadow 0.3s var(--easing-cinematic),
    transform 0.3s var(--easing-cinematic);
}

.btn--primary {
  background: linear-gradient(135deg, #4f9cff, #233555);
  color: #050716;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.9);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: linear-gradient(135deg, #8ad4ff, #4f9cff);
  transform: translateY(-2px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 1);
}

.btn--ghost {
  background: rgba(7, 9, 22, 0.95);
  color: #f4f7ff;
  border: 1px solid rgba(143, 186, 255, 0.6);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: rgba(143, 186, 255, 0.16);
  transform: translateY(-1px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 1);
}

.btn--outline {
  background: transparent;
  color: #f4f7ff;
  border: 1px solid rgba(143, 186, 255, 0.7);
  width: 100%;
  justify-content: center;
}

/* Focus ring */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible,
summary:focus-visible {
  outline: 2px solid rgba(143, 186, 255, 0.9);
  outline-offset: 3px;
  border-radius: 6px;
}

/* =========================
   Mobile Nav
   ========================= */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }

  .nav-toggle-label {
    display: inline-flex;
    width: 2.3rem;
    height: 2.3rem;
    border-radius: 999px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(143, 186, 255, 0.5);
    cursor: pointer;
    background: rgba(7, 9, 22, 0.98);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(18px);
  }

  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    display: block;
    width: 1.1rem;
    height: 2px;
    border-radius: 999px;
    background: #f4f7ff;
    position: relative;
    transition: transform 0.3s var(--easing-cinematic),
      opacity 0.3s var(--easing-cinematic);
  }

  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    content: "";
    position: absolute;
    left: 0;
  }

  .nav-toggle-label span::before {
    top: -0.25rem;
  }

  .nav-toggle-label span::after {
    top: 0.25rem;
  }

  .site-nav {
    position: absolute;
    inset-inline: 0;
    top: calc(100% + 0.4rem);
    background: rgba(5, 7, 22, 0.98);
    border-radius: 1.25rem;
    border: 1px solid rgba(143, 186, 255, 0.4);
    backdrop-filter: blur(18px);
    transform-origin: top;
    transform: scaleY(0);
    transition: transform 0.3s var(--easing-cinematic);
  }

  .site-nav__list {
    flex-direction: column;
    padding: 0.9rem 1.5rem 1.1rem;
  }

  .nav-toggle:checked ~ .site-nav {
    transform: scaleY(1);
  }

  .nav-toggle:checked + .nav-toggle-label span {
    transform: rotate(45deg);
  }

  .nav-toggle:checked + .nav-toggle-label span::before {
    transform: rotate(90deg);
    top: 0;
  }

  .nav-toggle:checked + .nav-toggle-label span::after {
    opacity: 0;
  }

  .header__inner {
    gap: 0.75rem;
  }

  .section {
    padding: 3.5rem 0;
  }
}

/* =========================
   Global Responsive
   ========================= */
@media (max-width: 900px) {
  .hero__content {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__visual {
    order: -1;
  }

  .about-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .skills-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 540px) {
  .project-card__thumb img {
    height: 150px;
  }

  .container {
    width: min(100% - 1.5rem, 100%);
  }
}

/* =========================
   Animations
   ========================= */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bar-grow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@keyframes hero-orbit {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(-20px, 10px, 0) scale(1.02);
  }
  100% {
    transform: translate3d(20px, -10px, 0) scale(1.03);
  }
}

.fade-in {
  animation: fade-up 0.8s var(--easing-cinematic);
}