/*
  Art direction: Keynote Speaker (Disruption Consultant) → Bold, magazine, editorial
  Palette: Dark base + Disruptive Newsletter colors
         #2822D9 royal blue · #FE004F magenta · #86A7FF light blue
  Typography: Helvetica Neue / Arial Black — geometric, tight tracking
*/

/* ═══════════════════════════════════════════════════
   DARK THEME + NEWSLETTER ACCENTS
   ═══════════════════════════════════════════════════ */
:root, [data-theme="dark"] {
  --color-bg:               #0a0a0a;
  --color-surface:          #111111;
  --color-surface-2:        #161616;
  --color-surface-offset:   #1c1c1c;
  --color-surface-offset-2: #222222;
  --color-surface-dynamic:  #2a2a2a;
  --color-divider:          #252525;
  --color-border:           #333333;

  --color-text:             #f0f0f0;
  --color-text-muted:       #a0a0a0;
  --color-text-faint:       #555555;
  --color-text-inverse:     #0a0a0a;

  /* Newsletter palette */
  --color-primary:          #FE004F;  /* Magenta — main accent */
  --color-primary-hover:    #FF2D6B;
  --color-primary-active:   #D40043;
  --color-primary-highlight:#2A0010;

  --color-blue:             #2822D9;  /* Royal blue — secondary anchor */
  --color-blue-light:       #86A7FF;  /* Light blue — supporting */
  --color-blue-dark:        #1A158F;

  --color-secondary:        #F5F4F0;  /* Warm off-white (newsletter quote box) */

  --color-error:            #FF453A;
  --color-success:          #30D158;
  --color-warning:          #FF9F0A;

  --radius-sm:   0.25rem;
  --radius-md:   0.375rem;
  --radius-lg:   0.5rem;
  --radius-xl:   0.75rem;
  --radius-2xl:  1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:  cubic-bezier(0.4, 0, 1, 1);

  --shadow-sm:   0 1px 3px oklch(0 0 0 / 0.4);
  --shadow-md:   0 4px 16px oklch(0 0 0 / 0.5);
  --shadow-lg:   0 12px 40px oklch(0 0 0 / 0.6);
  --shadow-glow: 0 0 40px oklch(from #FE004F l c h / 0.3);
  --shadow-glow-sm: 0 0 16px oklch(from #FE004F l c h / 0.2);
  --shadow-glow-blue: 0 0 40px oklch(from #2822D9 l c h / 0.35);

  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;
  --content-full:    100%;

  /* Newsletter typography: Inter (Helvetica Neue stand-in) + Plus Jakarta Sans */
  --font-display: 'Inter', 'Helvetica Neue', 'Arial Black', 'Helvetica', Arial, sans-serif;
  --font-body:    'Plus Jakarta Sans', 'Inter', 'Helvetica Neue', 'Helvetica', Arial, sans-serif;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --header-h: 72px;
}

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

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
  scroll-padding-top: var(--header-h);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

::selection {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@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;
  }
}

/* ═══════════════════════════
   GRAIN TEXTURE OVERLAY
   ═══════════════════════════ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* ═══════════════════════════
   SKIP LINK
   ═══════════════════════════ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: top 0.2s;
}
.skip-link:focus { top: var(--space-4); }

/* ═══════════════════════════
   PRELOADER
   ═══════════════════════════ */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-in), visibility 0.6s;
}
#preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.preloader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}
.preloader-letters {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-text);
  line-height: 1;
  overflow: hidden;
}
.preloader-letters span {
  display: inline-block;
  animation: preloader-char 0.8s var(--ease-out) both;
}
.preloader-letters span:nth-child(1) { animation-delay: 0.1s; }
.preloader-letters span:nth-child(2) { animation-delay: 0.2s; color: var(--color-primary); }
.preloader-bar {
  width: 120px;
  height: 2px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.preloader-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  animation: preloader-fill 1.4s var(--ease-out) forwards;
}

@keyframes preloader-char {
  from { transform: translateY(110%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
@keyframes preloader-fill {
  from { width: 0%; }
  to   { width: 100%; }
}

/* ═══════════════════════════
   CUSTOM CURSOR
   ═══════════════════════════ */
.cursor-dot,
.cursor-ring {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  will-change: transform;
  transition: transform 0.1s linear, opacity 0.3s;
}
.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  transform: translate(-50%, -50%);
  top: 0;
  left: 0;
}
.cursor-ring {
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--color-primary);
  opacity: 0.4;
  transform: translate(-50%, -50%);
  top: 0;
  left: 0;
  transition: width 0.25s var(--ease-out),
              height 0.25s var(--ease-out),
              opacity 0.25s,
              border-color 0.25s;
}
.cursor-ring.cursor-hover {
  width: 48px;
  height: 48px;
  opacity: 0.6;
  border-color: var(--color-primary);
}
@media (hover: none) or (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ═══════════════════════════
   HEADER / NAV
   ═══════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: 0 clamp(var(--space-6), 4vw, var(--space-12));
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s, transform 0.35s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom-color: var(--color-divider);
}
.site-header.hidden {
  transform: translateY(-100%);
}

.nav-logo {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}
.nav-logo-svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.nav-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  transition: color var(--transition-interactive);
}
.nav-logo:hover .nav-logo-text { color: var(--color-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: auto;
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  transition: color var(--transition-interactive);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--color-text);
}
.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  margin-left: var(--space-6);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive),
              border-color var(--transition-interactive);
  letter-spacing: 0.01em;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-sm);
}
.btn-primary:active { background: var(--color-primary-active); transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding-left: 0;
  padding-right: 0;
}
.btn-ghost:hover { color: var(--color-text); }

.btn-lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
  padding: var(--space-2);
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-h);
  z-index: 999;
  background: var(--color-bg);
  padding: var(--space-8) var(--space-6);
  flex-direction: column;
  gap: var(--space-6);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.015em;
  transition: color var(--transition-interactive);
}
.nav-mobile a:hover { color: var(--color-primary); }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}

/* ═══════════════════════════
   LAYOUT HELPERS
   ═══════════════════════════ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 4vw, var(--space-12));
}
.container-narrow {
  max-width: var(--content-default);
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  position: relative;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: var(--space-6);
  text-transform: none;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.6;
}

/* ═══════════════════════════
   SECTION REVEAL ANIMATIONS
   ═══════════════════════════ */
.reveal {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .reveal {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 60%;
  }
  .reveal-clip {
    clip-path: inset(30% 0 0 0);
    animation: reveal-clip-anim linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 60%;
  }
  @keyframes reveal-fade {
    to { opacity: 1; }
  }
  @keyframes reveal-clip-anim {
    to { clip-path: inset(0 0 0 0); opacity: 1; }
  }
}

/* ═══════════════════════════
   HERO SECTION
   ═══════════════════════════ */
#hero {
  min-height: 100svh;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  will-change: transform;
  transform: scale(1.08);
  transition: transform 0s;
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    oklch(from var(--color-bg) l c h / 0.3) 0%,
    oklch(from var(--color-bg) l c h / 0.6) 40%,
    oklch(from var(--color-bg) l c h / 0.92) 80%,
    var(--color-bg) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  background: oklch(from var(--color-bg) l c h / 0.6);
  backdrop-filter: blur(8px);
}
.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.75); }
}

.hero-name {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.9;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  overflow: hidden;
  text-transform: uppercase;
}
.hero-name-line {
  display: block;
  overflow: hidden;
}
.hero-name-line span {
  display: block;
  animation: hero-name-reveal 0.9s var(--ease-out) both;
}
.hero-name-line:nth-child(1) span { animation-delay: 0.3s; }
.hero-name-line:nth-child(2) span { animation-delay: 0.45s; color: var(--color-primary); }

@keyframes hero-name-reveal {
  from { transform: translateY(105%); }
  to   { transform: translateY(0); }
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-10);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  animation: hero-fade-up 0.8s var(--ease-out) 0.7s both;
}
.hero-tagline-sep {
  color: var(--color-primary);
  font-weight: 700;
}

@keyframes hero-fade-up {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.hero-cta-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: hero-fade-up 0.8s var(--ease-out) 0.9s both;
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  opacity: 0.4;
  transition: opacity var(--transition-interactive);
  animation: hero-fade-up 0.8s var(--ease-out) 1.4s both;
}
.hero-scroll-hint:hover { opacity: 0.8; }
.hero-scroll-hint span {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-border), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50% { transform: scaleY(0.6); opacity: 1; }
}

/* ═══════════════════════════
   ABOUT SECTION
   ═══════════════════════════ */
#about {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(var(--space-12), 6vw, var(--space-20));
  align-items: start;
}

.about-image-wrap {
  position: relative;
}
.about-image {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-2xl);
  filter: grayscale(20%);
  transition: filter 0.6s;
}
.about-image:hover { filter: grayscale(0%); }
.about-image-accent {
  position: absolute;
  bottom: -var(--space-4);
  right: -var(--space-4);
  width: 120px;
  height: 120px;
  background: var(--color-primary);
  border-radius: var(--radius-2xl);
  z-index: -1;
  opacity: 0.6;
}
.about-image-frame {
  position: absolute;
  inset: var(--space-4) calc(-1 * var(--space-4)) calc(-1 * var(--space-4)) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  z-index: -1;
}

.about-content { padding-top: var(--space-4); }

.about-quote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text);
  line-height: 1.5;
  padding: var(--space-6) var(--space-6) var(--space-6) var(--space-8);
  border-left: 3px solid var(--color-primary);
  margin-bottom: var(--space-8);
  background: var(--color-surface-2);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  font-style: italic;
}

.about-bio {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
  max-width: 60ch;
}

.about-facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
}
.about-fact {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}
.about-fact-dot {
  width: 5px;
  height: 5px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Stats counters */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.stat-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
}
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
}

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-image { aspect-ratio: 4/3; }
}

/* ═══════════════════════════
   KEYNOTE TOPICS
   ═══════════════════════════ */
#keynotes {
  background: var(--color-bg);
}

.keynotes-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.keynote-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}
.keynote-card:hover { border-color: var(--color-border); }
.keynote-card.open { border-color: var(--color-primary); }

.keynote-header {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-8);
  cursor: pointer;
  user-select: none;
}
.keynote-number {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  flex-shrink: 0;
  width: 32px;
}
.keynote-title-wrap { flex: 1; min-width: 0; }
.keynote-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1.2;
}
.keynote-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.keynote-toggle {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive),
              color var(--transition-interactive),
              transform var(--transition-interactive);
}
.keynote-card.open .keynote-toggle {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: rotate(45deg);
}

.keynote-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-out), padding 0.3s;
}
.keynote-body-inner {
  padding: 0 var(--space-8) var(--space-6) calc(var(--space-8) + 32px + var(--space-6));
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-6);
}
.keynote-bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}
.keynote-bullet {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.keynote-bullet::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

@media (max-width: 640px) {
  .keynote-header { padding: var(--space-5) var(--space-6); gap: var(--space-4); }
  .keynote-title { font-size: var(--text-lg); }
  .keynote-body-inner { padding: var(--space-5) var(--space-6); }
}

/* ═══════════════════════════
   FORMATS
   ═══════════════════════════ */
#formats {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.formats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-10);
}
.format-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: border-color var(--transition-interactive),
              background var(--transition-interactive),
              transform var(--transition-interactive);
}
.format-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
  transform: translateY(-2px);
}
.format-icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-3);
  display: block;
}
.format-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  display: block;
  margin-bottom: var(--space-1);
}
.format-desc {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ═══════════════════════════
   SPEAKING HISTORY / TIMELINE
   ═══════════════════════════ */
#timeline {
  background: var(--color-bg);
}

.timeline-controls {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}
.year-btn {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive),
              color var(--transition-interactive);
}
.year-btn:hover { border-color: var(--color-text-muted); color: var(--color-text); }
.year-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.timeline-list {
  position: relative;
}

.timeline-year-group { margin-bottom: var(--space-8); }
.timeline-year-header {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}
.timeline-year-header span {
  color: var(--color-primary);
}

.timeline-entry {
  display: flex;
  align-items: baseline;
  gap: var(--space-6);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-divider);
  opacity: 1;
  transition: opacity 0.3s, transform 0.3s;
}
.timeline-entry:last-child { border-bottom: none; }

.timeline-date {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  min-width: 100px;
}
.timeline-event {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  flex: 1;
  line-height: 1.4;
}
.timeline-entry.hidden { display: none; }

/* ═══════════════════════════
   CLIENTS MARQUEE
   ═══════════════════════════ */
#clients {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  overflow: hidden;
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.clients-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.marquee-track {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  margin-bottom: var(--space-4);
}
.marquee-inner {
  display: flex;
  gap: var(--space-10);
  width: max-content;
  animation: marquee-left 30s linear infinite;
}
.marquee-inner.reverse { animation: marquee-right 35s linear infinite; }

@keyframes marquee-left {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes marquee-right {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

.marquee-item {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text-faint);
  white-space: nowrap;
  transition: color var(--transition-interactive);
  flex-shrink: 0;
}
.marquee-item:hover { color: var(--color-text); }
.marquee-sep {
  color: var(--color-primary);
  flex-shrink: 0;
  font-size: var(--text-lg);
}

/* ═══════════════════════════
   IMAGE GALLERY
   ═══════════════════════════ */
#gallery {
  background: var(--color-bg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  cursor: zoom-in;
  background: var(--color-surface);
}
.gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.gallery-item:nth-child(5) { grid-column: span 2; }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out), filter 0.4s;
  filter: brightness(0.9) saturate(0.8);
}
.gallery-item:hover img {
  transform: scale(1.04);
  filter: brightness(1) saturate(1);
}
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: oklch(0 0 0 / 0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}
.gallery-item:hover .gallery-overlay {
  background: oklch(0 0 0 / 0.3);
}
.gallery-overlay-icon {
  opacity: 0;
  transform: scale(0.8);
  color: #fff;
  transition: opacity 0.3s, transform 0.3s var(--ease-out);
}
.gallery-item:hover .gallery-overlay-icon {
  opacity: 1;
  transform: scale(1);
}

@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 1; }
  .gallery-item:nth-child(5) { grid-column: span 1; }
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: oklch(0 0 0 / 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}
.lightbox.open {
  opacity: 1;
  visibility: visible;
}
.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-xl);
  transform: scale(0.95);
  transition: transform 0.4s var(--ease-out);
}
.lightbox.open img { transform: scale(1); }
.lightbox-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  border: 1px solid oklch(1 0 0 / 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  transition: background var(--transition-interactive);
}
.lightbox-close:hover { background: var(--color-primary); border-color: var(--color-primary); }

/* ═══════════════════════════
   BOOKING FORM
   ═══════════════════════════ */
#booking {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}

.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(var(--space-12), 6vw, var(--space-20));
  align-items: start;
}

.booking-info { padding-top: var(--space-4); }
.booking-info-quote {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}
.booking-info-quote span { color: var(--color-primary); }
.booking-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.booking-contact-item a {
  color: var(--color-text);
  transition: color var(--transition-interactive);
}
.booking-contact-item a:hover { color: var(--color-primary); }
.booking-contact-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}

.booking-form {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-field.full { grid-column: span 2; }
.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.form-required { color: var(--color-primary); font-size: var(--text-xs); }
.form-input,
.form-select,
.form-textarea {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  -webkit-appearance: none;
  appearance: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-faint); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.form-input.error, .form-select.error, .form-textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px oklch(from var(--color-error) l c h / 0.15);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23555555' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}
.form-select option { background: var(--color-surface-2); }

.form-error-msg {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: none;
}
.form-field.has-error .form-error-msg { display: block; }

.form-submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
  gap: var(--space-4);
  flex-wrap: wrap;
}
.form-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex: 1;
}

@media (max-width: 860px) {
  .booking-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field.full { grid-column: span 1; }
}

/* ═══════════════════════════
   FOOTER
   ═══════════════════════════ */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  margin-bottom: var(--space-12);
}
.footer-brand { max-width: 340px; }
.footer-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  line-height: 1.6;
  margin-bottom: var(--space-6);
  max-width: 40ch;
}
.footer-social {
  display: flex;
  gap: var(--space-3);
}
.footer-social-link {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: border-color var(--transition-interactive),
              color var(--transition-interactive),
              background var(--transition-interactive);
}
.footer-social-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-5);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
}
.footer-attribution {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-attribution a {
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}
.footer-attribution a:hover { color: var(--color-primary); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
}

/* ═══════════════════════════
   BACK TO TOP
   ═══════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 500;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-interactive),
              transform var(--transition-interactive),
              background var(--transition-interactive),
              border-color var(--transition-interactive),
              color var(--transition-interactive);
  backdrop-filter: blur(8px);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ═══════════════════════════
   ANIMATED GRADIENT ACCENT LINE
   ═══════════════════════════ */
@property --grad-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.gradient-line {
  height: 2px;
  background: linear-gradient(var(--grad-angle), var(--color-primary), transparent, var(--color-primary));
  --grad-angle: 0deg;
  animation: grad-sweep 4s linear infinite;
}

@keyframes grad-sweep {
  to { --grad-angle: 360deg; }
}

/* ═══════════════════════════
   RESPONSIVE UTILS
   ═══════════════════════════ */
@media (max-width: 640px) {
  .hero-cta-row { flex-direction: column; align-items: flex-start; }
  .timeline-date { min-width: 80px; font-size: var(--text-xs); }
  .back-to-top { bottom: var(--space-6); right: var(--space-6); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ═══════════════════════════
   ACCESSIBILITY
   ═══════════════════════════ */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0;
}

/* ═══════════════════════════
   SCROLL PROGRESS BAR
   ═══════════════════════════ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-hover) 50%, #ff8a65 100%);
  z-index: 1001;
  transition: none;
  box-shadow: 0 0 8px oklch(from #FE004F l c h / 0.5);
}

/* ═══════════════════════════
   TEXT SCRAMBLE / GLITCH
   ═══════════════════════════ */
.hero-name-line span {
  cursor: default;
  transition: text-shadow 0.3s ease;
}
.hero-name-line span:hover {
  text-shadow:
    2px 0 var(--color-primary),
    -2px 0 cyan;
}
.hero-name.scrambling .hero-name-line span {
  animation: glitch-flicker 0.08s steps(2) infinite alternate;
}
@keyframes glitch-flicker {
  0%   { text-shadow: 2px 0 var(--color-primary), -2px 0 cyan; clip-path: inset(20% 0 30% 0); }
  100% { text-shadow: -2px 0 var(--color-primary), 2px 0 cyan; clip-path: inset(50% 0 10% 0); }
}

/* ═══════════════════════════
   TILT / 3D CARD EFFECT
   ═══════════════════════════ */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}
.tilt-card .tilt-shine {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), oklch(1 0 0 / 0.06), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  z-index: 2;
}
.tilt-card:hover .tilt-shine {
  opacity: 1;
}

/* ═══════════════════════════
   SECTION HEADING STAGGER
   ═══════════════════════════ */
.stagger-reveal {
  overflow: hidden;
}
.stagger-reveal .stagger-word {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  transition: transform 0.6s var(--ease-out), opacity 0.5s ease;
}
.stagger-reveal.is-visible .stagger-word {
  transform: translateY(0);
  opacity: 1;
}

/* ═══════════════════════════
   KEYNOTE CARD ANIMATED GLOW
   ═══════════════════════════ */
.keynote-card {
  position: relative;
}
.keynote-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(
    var(--glow-angle, 135deg),
    var(--color-primary) 0%,
    transparent 40%,
    transparent 60%,
    var(--color-primary) 100%
  );
  opacity: 0;
  z-index: -1;
  transition: opacity 0.5s;
}
.keynote-card:hover::before {
  opacity: 0.7;
  animation: glow-rotate 3s linear infinite;
}
@keyframes glow-rotate {
  to { --glow-angle: 495deg; }
}
@property --glow-angle {
  syntax: '<angle>';
  initial-value: 135deg;
  inherits: false;
}

/* ═══════════════════════════
   HERO MOUSE SPOTLIGHT
   ═══════════════════════════ */
.hero-spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    600px circle at var(--spot-x, 50%) var(--spot-y, 50%),
    oklch(from #FE004F l c h / 0.08),
    transparent 60%
  );
  z-index: 1;
  opacity: 0;
  transition: opacity 0.5s;
}
#hero:hover .hero-spotlight {
  opacity: 1;
}

/* ═══════════════════════════
   TIMELINE ENTRY SLIDE-IN
   ═══════════════════════════ */
.timeline-entry {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.timeline-entry.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* ═══════════════════════════
   SMOOTH PAGE TRANSITIONS
   ═══════════════════════════ */
.page-loaded .section {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.page-loaded .section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════
   NAV LINK HOVER GLOW
   ═══════════════════════════ */
.nav-links a:hover {
  text-shadow: 0 0 12px oklch(from #FE004F l c h / 0.4);
}

/* ═══════════════════════════
   MINI-ME CHATBOT
   ═══════════════════════════ */
.chatbot {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 999;
  font-family: var(--font-body);
}

/* Trigger Button */
.chatbot-trigger {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 2px solid var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: var(--shadow-glow-sm), var(--shadow-md);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.chatbot-trigger:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
}
.chatbot-trigger-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
}
.chatbot-trigger-pulse {
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
  animation: chatbot-pulse 2s ease-in-out infinite;
}
@keyframes chatbot-pulse {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.15); }
}
.chatbot.open .chatbot-trigger { display: none; }

/* Chat Window */
.chatbot-window {
  position: absolute;
  bottom: 76px;
  right: 0;
  width: 380px;
  max-width: calc(100vw - var(--space-8));
  max-height: 520px;
  height: 520px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(16px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.chatbot.open .chatbot-window {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Header */
.chatbot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
  flex-shrink: 0;
}
.chatbot-header-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.chatbot-header-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  object-fit: cover;
}
.chatbot-header-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
  display: block;
  line-height: 1.2;
}
.chatbot-header-status {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.chatbot-status-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  display: inline-block;
}
.chatbot-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}
.chatbot-close:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

/* Messages */
.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  scroll-behavior: smooth;
}
.chatbot-messages::-webkit-scrollbar {
  width: 4px;
}
.chatbot-messages::-webkit-scrollbar-thumb {
  background: var(--color-divider);
  border-radius: var(--radius-full);
}

.chatbot-msg {
  max-width: 85%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.5;
  word-break: break-word;
  animation: chatbot-msg-in 0.3s var(--ease-out);
}
@keyframes chatbot-msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chatbot-msg.bot {
  background: var(--color-surface-2);
  color: var(--color-text);
  align-self: flex-start;
  border-bottom-left-radius: var(--radius-sm);
}
.chatbot-msg.user {
  background: var(--color-primary);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: var(--radius-sm);
}

.chatbot-msg.bot .chatbot-msg-avatar {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-1);
  display: block;
}

/* Typing indicator */
.chatbot-typing {
  display: flex;
  gap: 4px;
  padding: var(--space-3) var(--space-4);
  align-self: flex-start;
}
.chatbot-typing span {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-text-muted);
  animation: chatbot-typing-bounce 1.2s ease-in-out infinite;
}
.chatbot-typing span:nth-child(2) { animation-delay: 0.15s; }
.chatbot-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes chatbot-typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* Input Area */
.chatbot-input-area {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface-2);
  flex-shrink: 0;
}
.chatbot-input {
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s;
}
.chatbot-input::placeholder {
  color: var(--color-text-faint);
}
.chatbot-input:focus {
  border-color: var(--color-primary);
}
.chatbot-send {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.2s;
}
.chatbot-send:hover {
  background: var(--color-primary-hover);
  transform: scale(1.05);
}
.chatbot-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Welcome Greeting Bubble */
.chatbot-greeting {
  position: absolute;
  bottom: 76px;
  right: 0;
  width: 280px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.chatbot-greeting.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.chatbot.open .chatbot-greeting {
  opacity: 0;
  pointer-events: none;
}
.chatbot-greeting p {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
  margin: 0;
}
.chatbot-greeting-close {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}
.chatbot-greeting-close:hover {
  color: var(--color-text);
}

/* Mobile adjustments */
@media (max-width: 480px) {
  .chatbot { bottom: var(--space-4); right: var(--space-4); }
  .chatbot-window {
    width: calc(100vw - var(--space-8));
    height: 60vh;
    max-height: 60vh;
    bottom: 68px;
  }
  .chatbot-greeting { width: 240px; }
  .chatbot-trigger { width: 52px; height: 52px; }
  .chatbot-trigger-avatar { width: 40px; height: 40px; }
}

/* ── Booking feedback ────────────────────────────────────── */
.booking-feedback {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  border-radius: 12px;
  margin-top: var(--space-6);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.booking-feedback.visible {
  opacity: 1;
  transform: translateY(0);
}
.booking-feedback--success {
  background: rgba(52, 199, 89, 0.12);
  border: 1px solid rgba(52, 199, 89, 0.3);
  color: #34c759;
}
.booking-feedback--error {
  background: rgba(254, 0, 79, 0.12);
  border: 1px solid rgba(254, 0, 79, 0.3);
  color: #FE004F;
}
.booking-feedback__icon {
  flex-shrink: 0;
  margin-top: 2px;
}
.booking-feedback__text {
  font-size: var(--text-base);
  line-height: 1.5;
}

/* Booking submit spinner */
.booking-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: bookingSpin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}
@keyframes bookingSpin {
  to { transform: rotate(360deg); }
}

/* ─────────────────────────────────────────
   TALKS WORDCLOUD
   ───────────────────────────────────────── */
.talks-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.85rem 1.1rem;
  padding: var(--space-8) 0;
  max-width: 1080px;
  margin: 0 auto;
  perspective: 1200px;
}

.talk-tag {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.55em;
  padding: 0.45em 0.85em;
  font-family: var(--font-display, var(--font-heading, "Inter", sans-serif));
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.05;
  color: var(--color-text, #fff);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  cursor: default;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(14px) scale(0.94);
  animation: talkTagIn 0.7s cubic-bezier(.2,.7,.2,1) forwards;
  transition: transform 0.35s ease, color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  will-change: transform, opacity;
}

@keyframes talkTagIn {
  0%   { opacity: 0; transform: translateY(14px) scale(0.94); }
  60%  { opacity: 1; }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* sizes */
.talk-tag--s1 { font-size: clamp(0.95rem, 1.1vw + 0.6rem, 1.35rem); font-weight: 600; opacity: 0; }
.talk-tag--s2 { font-size: clamp(1.25rem, 1.6vw + 0.7rem, 1.95rem); font-weight: 700; opacity: 0; }
.talk-tag--s3 { font-size: clamp(1.7rem,  2.2vw + 0.9rem, 2.85rem); font-weight: 900; letter-spacing: -0.02em; opacity: 0; }

/* origin colors */
.talk-tag--at { color: #ffffff; }
.talk-tag--de { color: #86A7FF; }
.talk-tag--int { color: #FE004F; }

.talk-tag--s3.talk-tag--at  { text-shadow: 0 0 24px rgba(40,34,217,0.45); }
.talk-tag--s3.talk-tag--de  { text-shadow: 0 0 24px rgba(134,167,255,0.45); }
.talk-tag--s3.talk-tag--int { text-shadow: 0 0 24px rgba(254,0,79,0.45); }

.talk-tag-year {
  font-size: 0.62em;
  font-weight: 600;
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.45);
  vertical-align: 0.18em;
}

.talk-tag:hover {
  transform: translateY(-3px) scale(1.03);
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.025);
}
.talk-tag--at:hover  { color: #ffffff; }
.talk-tag--de:hover  { color: #b8cdff; }
.talk-tag--int:hover { color: #ff4f80; }

/* gentle infinite drift on the big ones */
.talk-tag--s3 {
  animation: talkTagIn 0.7s cubic-bezier(.2,.7,.2,1) forwards,
             talkTagDrift 7s ease-in-out 1.2s infinite;
}
.talk-tag--s2 {
  animation: talkTagIn 0.7s cubic-bezier(.2,.7,.2,1) forwards,
             talkTagDrift 9s ease-in-out 1.5s infinite;
}

@keyframes talkTagDrift {
  0%, 100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-4px) scale(1.012); }
}

@media (prefers-reduced-motion: reduce) {
  .talk-tag, .talk-tag--s2, .talk-tag--s3 {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 720px) {
  .talks-cloud { gap: 0.55rem 0.7rem; }
  .talk-tag { padding: 0.4em 0.75em; }
}