/* =========================
   Base Styles & Theme
   - Colorful, modern, techy
   - All key colors defined as CSS variables
   ========================= */

/* Smooth scrolling for anchor links */
html {
  scroll-behavior: smooth;
}

:root {
  /* Backgrounds */
  --color-bg: #020617; /* page background (soft dark-mode) */
  --color-bg-elevated: #02081b; /* elevated section background */
  --color-panel: #020617; /* cards / panels */

  /* Text */
  --color-text-main: #e5e7eb;
  --color-text-muted: #9ca3af;

  /* Accent palette (electric blue + violet + cyan) */
  --color-accent: #4f46e5; /* primary accent (indigo) */
  --color-accent-strong: #2563eb; /* supporting electric blue */
  --color-accent-alt: #22d3ee; /* cyan accent */
  --color-accent-soft: rgba(79, 70, 229, 0.24);
  --color-accent-soft-alt: rgba(34, 211, 238, 0.16);

  /* Borders / shadows / radii */
  --color-border-subtle: rgba(148, 163, 184, 0.3);
  --shadow-soft: 0 24px 80px rgba(15, 23, 42, 0.9);
  --shadow-card-glow: 0 22px 60px rgba(59, 130, 246, 0.45);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;

  --container-width: 1120px;
  --nav-height: 70px;

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;

  --transition-fast: 160ms ease-out;
  --transition-normal: 220ms cubic-bezier(0.19, 1, 0.22, 1);
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at 0% 0%, rgba(79, 70, 229, 0.32), transparent 55%),
    radial-gradient(circle at 90% 10%, rgba(56, 189, 248, 0.26), transparent 55%),
    radial-gradient(circle at 0% 80%, rgba(129, 140, 248, 0.22), transparent 55%),
    #020617;
  color: var(--color-text-main);
  -webkit-font-smoothing: antialiased;
}

/* =========================
   Layout Helpers
   ========================= */

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-inline: 1.5rem;
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  padding: 4.5rem 0;
}

.section-header {
  text-align: left;
  margin-bottom: 2.5rem;
  position: relative;
}

.section-header h2 {
  font-size: 1.85rem;
  letter-spacing: 0.08em;
  margin: 0 0 0.6rem;
  text-transform: uppercase;
  color: #f9fafb;
  /* subtle text gradient for headings */
  background: linear-gradient(120deg, #e5e7eb, #bfdbfe, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Animated divider under section titles */
.section-header::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--color-accent),
    var(--color-accent-alt)
  );
  position: relative;
  overflow: hidden;
}

.section-header::after {
  animation: section-underline 2.3s ease-in-out infinite;
}

.section-intro {
  margin: 0.6rem 0 0;
  max-width: 42rem;
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

/* About page (standalone) */
.about-page {
  padding-top: 4rem;
}
.about-content {
  max-width: 42rem;
  line-height: 1.7;
}
.about-content p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  font-size: 0.98rem;
}
.about-content p:last-child {
  margin-bottom: 0;
}
.about-actions {
  margin-top: 2.5rem;
}
.site-nav a.nav-current {
  color: #f9fafb;
}
.site-nav a.nav-current::after {
  transform: scaleX(1);
}

/* =========================
   Navigation
   ========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  background: radial-gradient(
      circle at top left,
      rgba(79, 70, 229, 0.42),
      transparent 55%
    ),
    rgba(2, 6, 23, 0.8);
  border-bottom: 1px solid rgba(148, 163, 184, 0.4);
  transition: background-color var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal),
    transform 180ms ease-out;
}

/* Stronger shadow + slightly darker background when scrolled (set in JS) */
.site-header.is-scrolled {
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.85);
  background: linear-gradient(
      135deg,
      rgba(15, 23, 42, 0.96),
      rgba(15, 23, 42, 0.92)
    );
  border-color: rgba(55, 65, 81, 0.9);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 11px;
  background: conic-gradient(
    from 200deg,
    #22d3ee,
    #6366f1,
    #a855f7,
    #22d3ee
  );
  color: #f9fafb;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.3),
    0 14px 30px rgba(59, 130, 246, 0.65);
}

.logo-link {
  text-decoration: none;
  color: inherit;
  display: inline-flex;
  align-items: center;
}

.logo-text {
  font-weight: 600;
  font-size: 0.96rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: #e5e7eb;
}

/* Nav list */
.site-nav {
  display: none; /* Mobile: hidden by default, toggled via JS */
}

.site-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.3rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  position: relative;
  font-size: 0.86rem;
  text-decoration: none;
  color: var(--color-text-muted);
  padding: 0.3rem 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  transition: color var(--transition-fast),
    transform var(--transition-fast);
}

/* Animated underline */
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.08rem;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--color-accent),
    var(--color-accent-alt)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms ease-out;
}

.site-nav a:hover {
  color: #e5e7eb;
  transform: translateY(-1px);
}

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

/* Active section link (set via JS) */
.site-nav a.is-active {
  color: #f9fafb;
}

.site-nav a.is-active::after {
  transform: scaleX(1);
}

/* Optional: allow manual current-page highlight on multi-page nav */
.site-nav a.nav-current {
  color: #f9fafb;
}
.site-nav a.nav-current::after {
  transform: scaleX(1);
}

/* Mobile nav toggle (hamburger) */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.24rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: radial-gradient(circle at 0 0, rgba(79, 70, 229, 0.45), rgba(15, 23, 42, 0.9));
  cursor: pointer;
  padding: 0.45rem 0.6rem;
  transition: background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.nav-toggle span {
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background-color: #e5e7eb;
  transition: transform var(--transition-normal),
    opacity var(--transition-normal),
    translate var(--transition-normal);
}

/* Mobile: expanded state */
.nav-toggle[aria-expanded="true"] {
  border-color: rgba(34, 211, 238, 0.7);
  box-shadow: 0 16px 30px rgba(56, 189, 248, 0.65);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile nav dropdown */
.site-nav.is-open {
  position: absolute;
  inset-inline: 0;
  top: var(--nav-height);
  padding: 0.9rem 1.6rem 1.25rem;
  background: radial-gradient(
      circle at top left,
      rgba(79, 70, 229, 0.35),
      transparent 55%
    ),
    rgba(2, 6, 23, 0.98);
  border-bottom: 1px solid rgba(148, 163, 184, 0.45);
}

.site-nav.is-open ul {
  flex-direction: column;
  align-items: flex-start;
}

/* =========================
   Hero / Profile Section
   ========================= */

.hero-section {
  position: relative;
  padding-top: 4.5rem;
  padding-bottom: 4.8rem;
  overflow: hidden;
}

/* Glowing gradient halo behind hero */
.hero-section::before,
.hero-section::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(40px);
  opacity: 0.85;
  pointer-events: none;
}

/* Large background glow */
.hero-section::before {
  width: 52vw;
  height: 52vw;
  max-width: 520px;
  max-height: 520px;
  left: -12%;
  top: -20%;
  background: radial-gradient(circle at 30% 20%, rgba(37, 99, 235, 0.85), transparent 65%),
    radial-gradient(circle at 70% 80%, rgba(236, 72, 153, 0.7), transparent 65%);
  animation: float-orbit 26s linear infinite alternate;
}

/* Smaller accent glow */
.hero-section::after {
  width: 32vw;
  height: 32vw;
  max-width: 360px;
  max-height: 360px;
  right: -10%;
  bottom: -15%;
  background: radial-gradient(circle at 70% 20%, rgba(34, 211, 238, 0.75), transparent 60%),
    radial-gradient(circle at 10% 80%, rgba(129, 140, 248, 0.7), transparent 60%);
  animation: float-orbit 22s linear infinite alternate-reverse;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr);
  gap: 2.6rem;
  align-items: center;
  z-index: 1;
}

.hero-content {
  max-width: 38rem;
}

.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.7rem;
  color: var(--color-accent-alt);
  font-weight: 600;
  margin: 0 0 0.7rem;
}

.hero-title {
  position: relative;
  font-size: clamp(2.6rem, 6vw, 3.2rem);
  margin: 0 0 0.75rem;
  line-height: 1.04;
}

/* Animated underline/accent bar under name */
.hero-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.4rem;
  width: 115px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #22d3ee, #6366f1, #a855f7);
  transform-origin: left;
  animation: hero-underline 2.2s ease-out 0.4s forwards;
  transform: scaleX(0);
}

.hero-subtitle {
  margin: 1.1rem 0 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

.hero-subtitle p {
  margin: 0 0 0.9rem;
  line-height: 1.7;
}

.hero-subtitle p:last-child {
  margin-bottom: 0;
}

.hero-summary {
  margin: 0 0 1.8rem;
  color: var(--color-text-muted);
  font-size: 0.96rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Hero image */
.hero-image-wrapper {
  max-width: 19rem;
  margin-inline: auto;
}

.hero-image-frame {
  position: relative;
  border-radius: 26px;
  padding: 0.4rem;
  background: conic-gradient(
    from 180deg at 50% 50%,
    rgba(34, 211, 238, 0.9),
    rgba(79, 70, 229, 0.9),
    rgba(168, 85, 247, 0.9),
    rgba(34, 211, 238, 0.9)
  );
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.hero-image-frame::after {
  /* subtle rotating sheen on the frame */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.3), transparent 55%);
  mix-blend-mode: soft-light;
  opacity: 0;
  pointer-events: none;
  animation: frame-sheen 8s ease-in-out infinite;
}

.hero-image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
  background-color: #020617;
  object-fit: cover;
}

.hero-image-caption {
  margin-top: 0.65rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* =========================
   Cards / Grids
   ========================= */

.cards-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.card {
  position: relative;
  background: radial-gradient(circle at 0 0, rgba(37, 99, 235, 0.12), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(34, 211, 238, 0.08), transparent 55%),
    var(--color-panel);
  border-radius: var(--radius-lg);
  padding: 1.45rem 1.55rem;
  box-shadow: 0 18px 65px rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.3);
  transition: transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal),
    background-position 260ms ease-out;
  background-size: 200% 200%;
  background-position: 0% 0%;
  overflow: hidden;
}

.card::before {
  /* soft glow on hover */
  content: "";
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle at 10% 0%, rgba(59, 130, 246, 0.3), transparent 60%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease-out;
}

.card:hover {
  transform: translateY(-6px) translateZ(0);
  box-shadow: var(--shadow-card-glow);
  border-color: rgba(59, 130, 246, 0.85);
  background-position: 100% 100%;
}

.card:hover::before {
  opacity: 1;
}

.card-title {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  color: #f9fafb;
}

.card-description {
  margin: 0 0 0.95rem;
  color: var(--color-text-muted);
  font-size: 0.94rem;
}

.card-meta {
  margin: 0 0 0.8rem;
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

.meta-label {
  font-weight: 600;
  margin-right: 0.25rem;
  color: #e5e7eb;
}

.meta-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 0.78rem;
  background-color: rgba(15, 23, 42, 0.9);
  border-radius: 999px;
  padding: 0.16rem 0.7rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
}

/* Certifications & list-like items */
.list-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

.list-item {
  border-radius: var(--radius-md);
  padding: 1.15rem 1.25rem;
  background: linear-gradient(
      120deg,
      rgba(79, 70, 229, 0.18),
      rgba(15, 23, 42, 0.94)
    );
  border: 1px solid rgba(148, 163, 184, 0.55);
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.list-item:hover {
  border-color: rgba(129, 140, 248, 0.9);
  box-shadow: 0 18px 50px rgba(79, 70, 229, 0.65);
  transform: translateY(-4px);
}

.list-title {
  margin: 0 0 0.25rem;
  font-size: 0.98rem;
  color: #f9fafb;
}

.list-meta {
  margin: 0.08rem 0;
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

/* Activities */
.activities-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.2rem;
}

.activity-card {
  border-radius: var(--radius-md);
  padding: 1.15rem 1.25rem;
  border: 1px solid rgba(148, 163, 184, 0.38);
  background: radial-gradient(
      circle at 0 0,
      rgba(34, 211, 238, 0.19),
      transparent 60%
    ),
    radial-gradient(circle at 100% 100%, rgba(79, 70, 229, 0.22), transparent 65%),
    #020617;
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.activity-card:hover {
  border-color: rgba(56, 189, 248, 0.9);
  box-shadow: 0 16px 45px rgba(34, 211, 238, 0.55);
  transform: translateY(-3px);
}

.activity-title {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
  color: #f9fafb;
}

.activity-meta {
  margin: 0 0 0.55rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

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

/* =========================
   Contact
   ========================= */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.8rem;
  align-items: flex-start;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

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

.contact-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #9ca3af;
  margin-bottom: 0.06rem;
}

.contact-link {
  font-size: 0.95rem;
  text-decoration: none;
  color: #e5e7eb;
  padding-bottom: 0.08rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.7);
  transition: color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    text-shadow 180ms ease-out;
}

.contact-link:hover {
  color: #f9fafb;
  border-color: rgba(56, 189, 248, 0.9);
  transform: translateY(-1px);
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.8);
}

.contact-note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* =========================
   Buttons & Links
   ========================= */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.2rem;
  font-size: 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background-color: transparent;
  color: var(--color-text-main);
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition: background-color var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal),
    transform var(--transition-normal),
    color var(--transition-normal);
}

/* Glow / pseudo-ripple on hover */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.35), transparent 55%);
  opacity: 0;
  transform: scale(0.4);
  transition: opacity 260ms ease-out, transform 260ms ease-out;
  pointer-events: none;
}

.btn:hover::before {
  opacity: 0.85;
  transform: scale(1);
}

.primary-btn {
  background: conic-gradient(
    from 160deg,
    #22d3ee,
    #2563eb,
    #a855f7,
    #22d3ee
  );
  color: #020617;
  border-color: rgba(15, 23, 42, 0.9);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.8);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 60px rgba(30, 64, 175, 0.9);
}

.ghost-btn {
  border-color: rgba(148, 163, 184, 0.7);
  background-color: rgba(15, 23, 42, 0.85);
  color: #e5e7eb;
}

.ghost-btn:hover {
  border-color: rgba(56, 189, 248, 0.9);
  background-color: rgba(15, 23, 42, 0.95);
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.9);
}

.secondary-btn {
  background-color: rgba(15, 23, 42, 0.9);
  border-color: rgba(148, 163, 184, 0.8);
  color: #e5e7eb;
}

.secondary-btn:hover {
  border-color: rgba(129, 140, 248, 0.9);
  background-color: rgba(15, 23, 42, 1);
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(79, 70, 229, 0.7);
}

.text-link {
  font-size: 0.85rem;
  color: var(--color-accent-alt);
  text-decoration: none;
  margin-right: 0.5rem;
  border-bottom: 1px solid transparent;
  padding-bottom: 0.05rem;
  transition: border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast),
    text-shadow 180ms ease-out;
}

.text-link:hover {
  border-color: rgba(56, 189, 248, 0.9);
  color: #f9fafb;
  transform: translateY(-1px);
  text-shadow: 0 0 14px rgba(56, 189, 248, 0.9);
}

/* =========================
   Footer
   ========================= */

.site-footer {
  padding: 1.4rem 0 1.8rem;
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  background: radial-gradient(circle at 0% 0%, rgba(79, 70, 229, 0.32), transparent 55%),
    #020617;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-note {
  margin: 0;
}

/* =========================
   Scroll Reveal Animations
   - IntersectionObserver in JS toggles .is-visible
   - Staggered via inline transition-delay set in JS
   ========================= */

.reveal {
  opacity: 0;
  transform: translateY(26px) scale(0.985);
  transition:
    opacity 520ms cubic-bezier(0.19, 1, 0.22, 1),
    transform 520ms cubic-bezier(0.19, 1, 0.22, 1);
  will-change: opacity, transform;
}

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

/* =========================
   Responsive Design
   ========================= */

@media (min-width: 720px) {
  .hero-section {
    padding-top: 5.2rem;
    padding-bottom: 5.4rem;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
    gap: 3.2rem;
  }

  .hero-image-wrapper {
    max-width: 18rem;
  }

  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .list-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .activities-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

@media (min-width: 900px) {
  /* Show desktop nav, hide mobile toggle */
  .site-nav {
    display: block;
    position: static;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav.is-open {
    position: static;
    border-bottom: none;
    padding: 0;
  }

  .site-nav.is-open ul {
    flex-direction: row;
  }

  .section {
    padding: 5.1rem 0;
  }

  .section-header {
    margin-bottom: 3.1rem;
  }
}

/* =========================
   Keyframes
   ========================= */

/* Animated hero name underline */
@keyframes hero-underline {
  0% {
    transform: scaleX(0);
  }
  55% {
    transform: scaleX(1.08);
  }
  100% {
    transform: scaleX(1);
  }
}

/* Soft floating motion for gradient halos */
@keyframes float-orbit {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(6px, -6px, 0) scale(1.04);
  }
  100% {
    transform: translate3d(-10px, 10px, 0) scale(1.02);
  }
}

/* Subtle sheen over hero image frame */
@keyframes frame-sheen {
  0%,
  50% {
    opacity: 0;
    transform: translateX(-35%) scale(1);
  }
  65% {
    opacity: 0.9;
    transform: translateX(6%) scale(1.02);
  }
  100% {
    opacity: 0;
    transform: translateX(25%) scale(1);
  }
}

/* Animated section heading divider "pulse" */
@keyframes section-underline {
  0% {
    transform-origin: left;
    transform: scaleX(0.4);
    opacity: 0.5;
  }
  40% {
    transform-origin: left;
    transform: scaleX(1);
    opacity: 1;
  }
  70% {
    transform-origin: right;
    transform: scaleX(0.7);
    opacity: 0.9;
  }
  100% {
    transform-origin: right;
    transform: scaleX(1);
    opacity: 1;
  }
}