/* ══════════════════════════════════════════════════
   DESIGN TOKENS
   ══════════════════════════════════════════════════ */
:root {
  --bg: #faf8f5;
  --bg-warm: #f5e6c8;
  --bg-peach: #fce4b8;
  --text-dark: #1a1a1a;
  --text-body: #3a3a3a;
  --text-muted: #6b6b6b;
  --accent-orange: #f5a623;
  --white: #ffffff;
  --black: #111111;

  --font-heading: 'Outfit', 'Inter', -apple-system, sans-serif;
  --font-script: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
}

/* ══════════════════════════════════════════════════
   RESET & BASE
   ══════════════════════════════════════════════════ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-dark);
  overflow-x: hidden;
  min-height: 100vh;
}

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

ul {
  list-style: none;
}

img, video, canvas {
  max-width: 100%;
}

img {
  height: auto;
  display: block;
}

/* ══════════════════════════════════════════════════
   LOADING SCREEN — Custom Ring Animation
   ══════════════════════════════════════════════════ */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #0a0a0a;
}

#particle-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Exit animation */
.loading-screen.exit {
  animation: loaderExit 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes loaderExit {
  0% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.02);
  }

  100% {
    opacity: 0;
    transform: scale(0.95);
  }
}

/* ══════════════════════════════════════════════════
   MAIN PAGE
   ══════════════════════════════════════════════════ */
.main-page {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease;
}

.main-page.visible {
  opacity: 1;
  visibility: visible;
}

/* ══════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem clamp(1.5rem, 4vw, 3rem);
  background: transparent;
}

.nav-logo {
  font-family: var(--font-script);
  font-size: 1.6rem;
  font-weight: 700;
  font-style: italic;
  color: var(--text-dark);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-body);
  transition: color 0.25s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--text-dark);
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--text-dark);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-contact {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
  background: var(--black);
  padding: 0.65rem 1.6rem;
  border-radius: 100px;
  transition: all 0.3s ease;
}

.nav-contact:hover {
  background: #333;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

/* ══════════════════════════════════════════════════
   TOP-RIGHT UTILITIES
   ══════════════════════════════════════════════════ */
.top-utils {
  position: fixed;
  top: 1.2rem;
  right: clamp(1.5rem, 4vw, 3rem);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

/* ── 2-Segment Theme Toggle ── */
.theme-toggle-group {
  position: relative;
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 100px;
  padding: 3px;
}

:is(html, body).dark-mode .theme-toggle-group {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.theme-toggle-slider {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc((100% - 6px) / 2);
  background: #fff;
  border-radius: 100px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1), 0 2px 8px rgba(0,0,0,0.05);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}

:is(html, body).dark-mode .theme-toggle-slider {
  background: #333;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2), 0 2px 8px rgba(0,0,0,0.2);
}

.theme-btn {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 85px;
  padding: 8px 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: #666;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.3s ease;
}

:is(html, body).dark-mode .theme-btn {
  color: #888;
}

.theme-btn.active {
  color: #111;
}

:is(html, body).dark-mode .theme-btn.active {
  color: #fff;
}

.theme-toggle-group[data-active="light"] .theme-toggle-slider { transform: translateX(0); }
.theme-toggle-group[data-active="dark"] .theme-toggle-slider { transform: translateX(100%); }

/* ── Prevent toggle flash on page load ──
   html.dark-mode is set by the inline <head> script before any paint,
   so these rules lock the slider & button states before shared.js runs. ── */
html.dark-mode .theme-toggle-group .theme-toggle-slider {
  transform: translateX(100%);
}
html.dark-mode .theme-toggle-group .theme-btn[data-theme="dark"] {
  color: #fff;
}
html.dark-mode .theme-toggle-group .theme-btn[data-theme="light"] {
  color: #888;
}

/* ── Icon Buttons (LinkedIn, Email) ── */
.util-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-dark);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-size: 0;
}

.util-btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.1);
}

.util-btn:active {
  transform: scale(0.95);
}


/* ── Tooltips ── */
.util-btn[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  background: var(--text-dark);
  color: var(--bg);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.util-btn[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ══════════════════════════════════════════════════
   DARK MODE
   ══════════════════════════════════════════════════ */
html.dark-mode {
  --bg: #060d18;
  --bg-warm: #0a1220;
  --bg-peach: #0c0c0c;
  --text-dark: #f0f0f0;
  --text-body: #c0c0c0;
  --text-muted: #888888;
  --white: #060d18;
  --black: #f0f0f0;
  color-scheme: dark;
}

:is(html, body).dark-mode {
  --bg: #060d18;
  --bg-warm: #0a1220;
  --bg-peach: #0c0c0c;
  --text-dark: #f0f0f0;
  --text-body: #c0c0c0;
  --text-muted: #888888;
  --white: #060d18;
  --black: #f0f0f0;
}

:is(html, body).dark-mode .util-btn {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  color: #f0f0f0;
}

:is(html, body).dark-mode .util-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

:is(html, body).dark-mode .availability-pill {
  background: rgba(6, 13, 24, 0.85);
  border-color: rgba(255, 255, 255, 0.08);
}

:is(html, body).dark-mode .bottom-nav-inner {
  background: rgba(6, 13, 24, 0.92);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

:is(html, body).dark-mode .bottom-nav-item {
  color: #c0c0c0;
}

:is(html, body).dark-mode .bottom-nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #f0f0f0;
}

:is(html, body).dark-mode .bottom-nav-item.active {
  background: #f0f0f0;
  color: #060d18;
}

:is(html, body).dark-mode .hero-bg-gradient {
  background:
    radial-gradient(ellipse 80% 70% at 50% 60%, rgba(8, 16, 30, 0.9) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(12, 12, 12, 0.6) 0%, transparent 60%),
    linear-gradient(135deg, #0c0c0c 0%, #060d18 50%, #0c0c0c 100%);
}

/* ══════════════════════════════════════════════════
   HERO SECTION
   ══════════════════════════════════════════════════ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 700px;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Warm gradient background */
.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 70% at 50% 60%, rgba(252, 228, 184, 0.7) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(245, 230, 200, 0.5) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, #fdf5e9 40%, #fce8c3 70%, var(--bg) 100%);
  pointer-events: none;
}

/* ── "Hey, there" greeting text ── */
.hero-greeting-text {
  position: absolute;
  top: 4%;
  left: clamp(1.5rem, 5vw, 4rem);
  transform: none;
  z-index: 2;
  display: flex;
  gap: 0.3em;
  white-space: nowrap;
  pointer-events: none;
}

.greeting-hey,
.greeting-there {
  font-family: var(--font-script);
  font-size: 80px;
  font-weight: 400;
  font-style: italic;
  color: var(--text-dark);
  line-height: 1;
}

/* ── D3 Force Animation (no container) ── */
.hero-d3-wrapper {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

#d3-force-container {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  background: transparent;
}

#d3-force-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: default;
  pointer-events: auto;
}



/* ── Availability pill ── */
.availability-pill {
  position: absolute;
  left: clamp(1.5rem, 5vw, 4rem);
  top: 38%;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 1.2rem;
  border-radius: 100px;
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.avail-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-orange);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2);
  animation: pulse-orange 2s ease-in-out infinite;
}

@keyframes pulse-orange {

  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2);
  }

  50% {
    box-shadow: 0 0 0 6px rgba(245, 166, 35, 0.1);
  }
}

.avail-text {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dark);
}

/* ── Mobile particles canvas (hidden on desktop) ── */
.mobile-particles-canvas {
  display: none;
}

/* ── Mobile globe (hidden on desktop) ── */
.mobile-globe {
  display: none;
}

/* ── Specialization text (right side) ── */
.specialization-text {
  position: absolute;
  right: clamp(1.5rem, 5vw, 4rem);
  top: 36%;
  z-index: 3;
  font-family: var(--font-body);
  font-size: clamp(0.78rem, 1.1vw, 0.92rem);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-body);
  text-align: right;
}

/* ── Bottom-left: name ── */
.hero-name {
  position: absolute;
  bottom: clamp(7.5rem, 12vh, 10rem);
  left: clamp(1.5rem, 5vw, 4rem);
  z-index: 3;
  display: flex;
  flex-direction: column;
}

.hero-name span {
  font-family: 'Gillune', 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  font-weight: 900;
  line-height: 0.95;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

/* ── Bottom-right: role ── */
.hero-role {
  position: absolute;
  bottom: clamp(7.5rem, 12vh, 10rem);
  right: clamp(1.5rem, 5vw, 4rem);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.hero-role span {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1;
  color: var(--text-dark);
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

/* ══════════════════════════════════════════════════
   HERO — ENTRANCE ANIMATIONS
   ══════════════════════════════════════════════════ */
.hero-anim {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-anim.visible {
  opacity: 1;
  transform: translateY(0);
}

/* D3 wrapper fades in */
.hero-d3-wrapper.hero-anim {
  transform: none;
}

.hero-d3-wrapper.hero-anim.visible {
  transform: none;
}

/* Greeting text */
.hero-greeting-text.hero-anim {
  transform: translateY(-20px);
}

.hero-greeting-text.hero-anim.visible {
  transform: translateY(0);
}

/* ══════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════ */

/* ── Tablet: up to 900px ── */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .hero-greeting-text {
    gap: clamp(140px, 30vw, 280px);
  }

  .hero-d3-wrapper {
    width: clamp(260px, 55vw, 380px);
  }

  .specialization-text {
    display: none;
  }

  .hero-name span {
    font-size: clamp(2rem, 8vw, 3.5rem);
  }

  .hero-role span {
    font-size: clamp(1.2rem, 4vw, 2rem);
  }
}

/* ── Mobile: up to 768px ── */
@media (max-width: 768px) {
  /* Top utilities — full-width top bar with glass background */
  .top-utils {
    top: 0;
    right: 0;
    left: 0;
    width: 100%;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid transparent;
    box-shadow: none;
    justify-content: space-between;
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
  }

  .top-utils.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  }

  :is(html, body).dark-mode .top-utils.scrolled {
    background: rgba(6, 13, 24, 0.92);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  }

  .theme-toggle-group {
    height: 44px;
  }

  /* Push LinkedIn & email to the right */
  .top-utils .util-btn:first-of-type {
    margin-left: auto;
  }

  .theme-btn {
    width: 70px;
    padding: 11px 0;
    font-size: 0.78rem;
  }

  /* Increase touch target size for icon buttons */
  .util-btn {
    width: 44px;
    height: 44px;
  }

  /* Bottom nav — drawer style on mobile */
  .bottom-nav {
    bottom: 0.8rem;
  }

  .bottom-nav-inner {
    padding: 0.35rem;
    gap: 0.15rem;
  }

  .bottom-nav-item {
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.5rem 0.45rem;
    font-size: 0.65rem;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
  }

  .bottom-nav-item svg {
    width: 20px;
    height: 20px;
  }

  /* Hero — switch to flex column flow with space-between distribution */
  .hero {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: clamp(5rem, 8vh, 7rem) clamp(1.25rem, 4vw, 2rem) clamp(5rem, 8vh, 7rem);
    height: 100vh;
    height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
  }

  /* Simpler warm gradient for mobile */
  .hero-bg-gradient {
    background:
      linear-gradient(180deg, var(--bg) 0%, #faf3e6 30%, #f5e4c4 65%, #f0d9a8 100%);
  }

  /* Mobile globe — half-visible, right-aligned */
  .mobile-globe {
    display: block;
    position: absolute;
    right: -30%;
    top: 42%;
    transform: translateY(-50%);
    width: min(80vw, 350px);
    height: min(80vw, 350px);
    z-index: 2;
    pointer-events: auto;
    opacity: 0;
    animation: globeFadeIn 1.2s 0.8s ease-out forwards;
  }

  .mobile-globe canvas {
    width: 100%;
    height: 100%;
    touch-action: none;
  }

  @keyframes globeFadeIn {
    to { opacity: 0.7; }
  }

  :is(html, body).dark-mode .mobile-globe {
    animation: globeFadeInDark 1.2s 0.8s ease-out forwards;
  }

  @keyframes globeFadeInDark {
    to { opacity: 0.6; }
  }

  /* Mobile particles canvas */
  .mobile-particles-canvas {
    display: block;
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
  }

  /* Hide D3 bubble animation */
  .hero-d3-wrapper {
    display: none !important;
  }

  /* Hide availability pill */
  .availability-pill {
    display: none !important;
  }

  /* Greeting — stays at top, left-aligned */
  .hero-greeting-text {
    position: relative;
    top: auto;
    left: auto;
    align-self: flex-start;
    margin-bottom: 0;
    order: 1;
    flex-shrink: 0;
  }

  .hero-greeting-text.hero-anim {
    transform: translateY(-20px);
  }

  .hero-greeting-text.hero-anim.visible {
    transform: translateY(0);
  }

  .greeting-hey {
    font-size: clamp(2.8rem, 10vw, 4.2rem);
  }

  /* Flexible spacer between greeting and bottom group */
  .hero-greeting-text::after {
    content: '';
    display: block;
  }

  /* Name — left-aligned, positioned in bottom group */
  .hero-name {
    position: relative;
    bottom: auto;
    left: auto;
    align-self: flex-start;
    margin-top: auto;
    margin-bottom: clamp(1.5rem, 3vh, 2.5rem);
    order: 2;
    flex-shrink: 0;
  }

  .hero-name span {
    font-size: clamp(2.5rem, 11vw, 4rem);
    line-height: 0.92;
  }

  /* Specialization text — left-aligned on mobile for consistency */
  .specialization-text {
    display: block !important;
    position: relative;
    right: auto;
    top: auto;
    text-align: left;
    align-self: flex-start;
    font-size: clamp(0.8rem, 2.2vw, 0.92rem);
    line-height: 1.7;
    margin-top: 0;
    margin-bottom: clamp(1.5rem, 3vh, 2.5rem);
    order: 3;
    flex-shrink: 0;
  }

  /* Role — right-aligned at bottom for visual balance */
  .hero-role {
    position: relative;
    bottom: auto;
    right: auto;
    align-self: flex-end;
    order: 4;
    flex-shrink: 0;
  }

  .hero-role span {
    font-size: clamp(1.5rem, 6.5vw, 2.2rem);
    line-height: 1.05;
  }

  /* Bottom nav — icons only */
  .bottom-nav-item span {
    display: none;
  }

  .bottom-nav-item {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
  }

}

/* ── Small mobile: up to 540px ── */
@media (max-width: 540px) {
  .greeting-hey {
    font-size: clamp(2.5rem, 9.5vw, 3.5rem);
  }

  .hero-name span {
    font-size: clamp(2.2rem, 10.5vw, 3.2rem);
  }

  .hero-role span {
    font-size: clamp(1.3rem, 6vw, 1.8rem);
  }

  .specialization-text {
    font-size: clamp(0.75rem, 2.5vw, 0.88rem);
  }

  /* Stack theme toggle and icons when very narrow */
  .top-utils {
    padding: 0.5rem 0.8rem;
    gap: 0.4rem;
  }

  .theme-btn {
    width: 62px;
    padding: 6px 0;
    font-size: 0.72rem;
    gap: 3px;
  }

  .theme-btn svg {
    width: 12px;
    height: 12px;
  }

  .bottom-nav {
    bottom: 0.5rem;
  }
}

/* ── Very small mobile: up to 380px ── */
@media (max-width: 380px) {
  .hero {
    padding: clamp(3.5rem, 6vh, 4.5rem) 1rem clamp(3.5rem, 6vh, 4.5rem);
  }

  .greeting-hey {
    font-size: clamp(2rem, 8.5vw, 2.6rem);
  }

  .hero-name span {
    font-size: clamp(1.8rem, 9.5vw, 2.3rem);
  }

  .hero-name {
    margin-bottom: clamp(0.75rem, 1.5vh, 1.25rem);
  }

  .hero-role span {
    font-size: clamp(1rem, 5vw, 1.3rem);
  }

  .specialization-text {
    font-size: 0.72rem;
    line-height: 1.55;
    margin-bottom: clamp(0.75rem, 1.5vh, 1.25rem);
  }

  /* Hide theme text labels, show only icons */
  .theme-btn {
    width: 40px;
    font-size: 0;
    gap: 0;
  }

  .theme-btn svg {
    width: 14px;
    height: 14px;
  }
}

/* ── Short viewport height — for devices like iPhone SE (568px tall) ── */
@media (max-height: 700px) and (max-width: 768px) {
  .hero {
    padding-top: clamp(3.5rem, 6vh, 4.5rem);
    padding-bottom: clamp(3rem, 5vh, 4rem);
  }

  .greeting-hey {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .hero-name {
    margin-bottom: clamp(0.5rem, 1.5vh, 1rem);
  }

  .hero-name span {
    font-size: clamp(1.8rem, 9vw, 2.5rem);
  }

  .specialization-text {
    font-size: 0.72rem;
    line-height: 1.5;
    margin-bottom: clamp(0.5rem, 1.5vh, 1rem);
  }

  .hero-role span {
    font-size: clamp(1rem, 5vw, 1.4rem);
  }
}

/* ── Prevent horizontal overflow globally ── */
@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
  }

  .hero {
    overflow: hidden;
  }

  img, video {
    max-width: 100%;
    height: auto;
  }

  /* Prevent SVG icons from being constrained by generic rules */
  .hero-d3-wrapper canvas,
  #d3-force-canvas,
  #particle-canvas {
    max-width: none;
  }
}

/* ── Safe area insets for notched devices ── */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  @media (max-width: 768px) {
    .bottom-nav {
      bottom: calc(0.5rem + env(safe-area-inset-bottom));
    }
  }
}

/* ── Use dynamic viewport height where supported ── */
@supports (height: 100dvh) {
  .hero {
    height: 100dvh;
  }
}

/* ══════════════════════════════════════════════════
   BOTTOM NAV — Apple Glassmorphism
   ══════════════════════════════════════════════════ */
.bottom-nav {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  pointer-events: auto;
}

.bottom-nav-inner {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.6rem;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow:
    0 4px 30px rgba(0, 0, 0, 0.08),
    0 1px 3px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.bottom-nav-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.1rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-body);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  white-space: nowrap;
}

.bottom-nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.bottom-nav-item:hover {
  background: rgba(255, 255, 255, 0.5);
  color: var(--text-dark);
}

.bottom-nav-item:hover svg {
  transform: scale(1.1);
}

.bottom-nav-item.active {
  background: var(--text-dark);
  color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.bottom-nav-item.active:hover {
  background: #333;
  color: var(--white);
}

/* Nav entrance animation */
.bottom-nav {
  opacity: 0;
  transform: translateX(-50%) translateY(30px);
  animation: navSlideUp 0.6s 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes navSlideUp {
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ══════════════════════════════════════════════════
   DRAWER TOGGLE — hidden on desktop
   ══════════════════════════════════════════════════ */
.nav-drawer-toggle,
.nav-drawer-divider {
  display: none;
}

.drawer-icon-close {
  display: none;
}

/* ══════════════════════════════════════════════════
   MOBILE DRAWER NAV — must come AFTER bottom-nav base
   ══════════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* Reposition to bottom-left, remove centering */
  .bottom-nav {
    left: 1.25rem;
    transform: none;
    width: auto;
    max-width: none;
    opacity: 0;
    animation: navDrawerSlideUp 0.6s 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  /* Container: fixed collapsed width, expands on open */
  .bottom-nav-inner {
    width: 56px;
    padding: 0.35rem;
    gap: 0.2rem;
    overflow: hidden;
    white-space: nowrap;
    transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  }

  .bottom-nav.open .bottom-nav-inner {
    width: 350px;
  }

  /* Drawer toggle button */
  .nav-drawer-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-dark);
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
  }

  .nav-drawer-toggle:active {
    transform: scale(0.92);
  }

  /* Divider between toggle and icons */
  .nav-drawer-divider {
    display: block;
    width: 1px;
    height: 28px;
    background: rgba(0, 0, 0, 0.12);
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  :is(html, body).dark-mode .nav-drawer-divider {
    background: rgba(255, 255, 255, 0.15);
  }

  :is(html, body).dark-mode .bottom-nav-inner {
    border: 1px solid rgba(255, 255, 255, 0.5);
  }

  /* Icon swap */
  .drawer-icon-menu { display: block; }
  .drawer-icon-close { display: none; }

  /* Nav items — hidden by container clip, fade in */
  .bottom-nav-item {
    opacity: 0;
    flex-shrink: 0;
    transition: opacity 0.3s ease;
  }

  /* ── OPEN STATE ── */
  .bottom-nav.open .nav-drawer-divider {
    opacity: 1;
  }

  .bottom-nav.open .drawer-icon-menu { display: none; }
  .bottom-nav.open .drawer-icon-close { display: block; }

  .bottom-nav.open .bottom-nav-item {
    opacity: 1;
  }
}

@media (max-width: 540px) {
  .bottom-nav {
    left: 1rem;
  }
  .bottom-nav.open .bottom-nav-inner {
    width: 340px;
  }
}

@keyframes navDrawerSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}