/* ============================================
   ESUP SUMMIT 2026 — Design System CSS
   Vanilla CSS | Dark/Light Mode | Futuristic
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  --brand-blue: #080086;
  --brand-pink: #F02BCB;
  --brand-white: #FFFFFF;
  --brand-purple: #480062;

  /* Typography */
  --font-display: 'Goldman', sans-serif;
  --font-body: 'Barlow', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Border radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-hero: 700ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
}

/* ---------- Dark Mode (default) ---------- */
[data-theme="dark"] {
  --bg-primary: #0a0025;
  --bg-secondary: #130e30;
  --bg-card: rgba(20, 12, 50, 0.6);
  --bg-card-hover: rgba(30, 18, 70, 0.8);
  --bg-glass: rgba(8, 0, 134, 0.15);
  --bg-glass-border: rgba(255, 255, 255, 0.08);

  --text-primary: #FFFFFF;
  --text-secondary: #c0b8e8;
  --text-muted: #8a80b0;

  --gradient-hero: linear-gradient(135deg, #080086 0%, #480062 30%, #1a0033 60%, #0d0d2b 100%);
  --gradient-hero-overlay: radial-gradient(ellipse at 20% 50%, rgba(8, 0, 134, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(240, 43, 203, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(72, 0, 98, 0.3) 0%, transparent 50%);

  --nav-bg: rgba(10, 0, 37, 0.85);
  --nav-border: rgba(255, 255, 255, 0.06);
  --footer-bg: #06001a;

  --section-alt-bg: rgba(15, 8, 40, 0.5);
  --section-border: rgba(255, 255, 255, 0.05);

  --logo-display: url('assets/logo-dark.png');
  --logo-dark-display: block;
  --logo-light-display: none;
}

/* ---------- Light Mode ---------- */
[data-theme="light"] {
  --bg-primary: #f8f6ff;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-card-hover: rgba(255, 255, 255, 0.9);
  --bg-glass: rgba(248, 246, 255, 0.7);
  --bg-glass-border: rgba(8, 0, 134, 0.1);

  --text-primary: #1a0040;
  --text-secondary: #3d2070;
  --text-muted: #6b5a90;

  --gradient-hero: linear-gradient(135deg, #f8f6ff 0%, #ede5ff 30%, #fce4f9 60%, #f0f0ff 100%);
  --gradient-hero-overlay: radial-gradient(ellipse at 20% 50%, rgba(8, 0, 134, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(240, 43, 203, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(72, 0, 98, 0.05) 0%, transparent 50%);

  --nav-bg: rgba(255, 255, 255, 0.9);
  --nav-border: rgba(8, 0, 134, 0.08);
  --footer-bg: #0a0025;

  --section-alt-bg: rgba(237, 229, 255, 0.3);
  --section-border: rgba(8, 0, 134, 0.06);

  --logo-display: url('assets/logo-light.png');
  --logo-dark-display: none;
  --logo-light-display: block;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--gradient-hero);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--brand-pink);
  color: var(--brand-white);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

.subtitle {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
}

.body-large {
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1.8;
}

.label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* ---------- Layout Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section--alt {
  background: var(--section-alt-bg);
}

/* ---------- Animated Background (Global) ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--gradient-hero-overlay);
  pointer-events: none;
  z-index: 0;
}

/* Floating orbs */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.bg-orb--1 {
  width: 600px;
  height: 600px;
  background: var(--brand-blue);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.bg-orb--2 {
  width: 400px;
  height: 400px;
  background: var(--brand-pink);
  bottom: 20%;
  left: -100px;
  animation-delay: -7s;
}

.bg-orb--3 {
  width: 500px;
  height: 500px;
  background: var(--brand-purple);
  top: 50%;
  right: -150px;
  animation-delay: -14s;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(30px, -30px) scale(1.05);
  }

  66% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}

/* ---------- Progress Bar ---------- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-pink), var(--brand-purple));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 150ms linear;
}

/* ============================================
   HEADER / NAV
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.header--scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 var(--nav-border);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.header__logo {
  height: 40px;
  width: auto;
  transition: opacity var(--transition-normal);
}

.header__logo:hover {
  opacity: 0.8;
}

.header__logo--dark {
  display: var(--logo-dark-display);
}

.header__logo--light {
  display: var(--logo-light-display);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.header__nav-link {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-pink);
  transition: width var(--transition-normal);
}

.header__nav-link:hover {
  color: var(--brand-pink);
}

.header__nav-link:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Theme Toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  font-size: 1.2rem;
}

.theme-toggle:hover {
  background: var(--brand-pink);
  color: var(--brand-white);
  border-color: var(--brand-pink);
  box-shadow: 0 0 20px rgba(240, 43, 203, 0.4);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

/* Mobile menu */
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.5rem;
}

/* CTA Button (Primary) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 2rem;
  background: linear-gradient(135deg, var(--brand-pink), var(--brand-purple));
  color: var(--brand-white);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-pink));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(240, 43, 203, 0.4);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary span {
  position: relative;
  z-index: 1;
}

/* CTA Button (Secondary / Ghost) */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 2rem;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-full);
  border: 1px solid var(--bg-glass-border);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--brand-pink);
  background: rgba(240, 43, 203, 0.1);
  color: var(--brand-pink);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  position: relative;
  overflow: visible;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: stretch;
  position: relative;
  z-index: 2;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1.25rem;
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--brand-pink);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
}

.hero__badge .material-symbols-outlined {
  font-size: 1rem;
}

.hero__title {
  margin-bottom: var(--space-lg);
  line-height: 0.8;
}

.hero__title-summit {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 5.43rem;
}

[data-theme="dark"] .hero__title {
  background: linear-gradient(135deg, #FFFFFF 0%, #c0c1ff 50%, #F02BCB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .hero__title {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-purple) 50%, var(--brand-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.3rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 500px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

/* Countdown */
.countdown {
  display: flex;
  gap: var(--space-lg);
}

.countdown__item {
  text-align: center;
}

.countdown__number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
}

[data-theme="dark"] .countdown__number {
  background: linear-gradient(135deg, #FFFFFF, #c0c1ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.countdown__label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.countdown__separator {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--brand-pink);
  line-height: 1;
  opacity: 0.5;
}

/* Hero visual (right side — Facade Image) */
.hero__visual {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
  border: 1px solid var(--bg-glass-border);
  border-right: none;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  /* Break out of container to the right viewport edge */
  width: calc(100% + ((100vw - var(--max-width)) / 2) + var(--space-lg));
  max-width: calc(100% + ((100vw - var(--max-width)) / 2) + var(--space-lg));
}

.hero__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

[data-theme="dark"] .hero__visual {
  border-color: rgba(240, 43, 203, 0.2);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(240, 43, 203, 0.08);
}

[data-theme="light"] .hero__visual {
  border-color: rgba(8, 0, 134, 0.12);
  box-shadow: 0 20px 60px rgba(8, 0, 134, 0.1);
}

.hero__facade-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
  transition: transform var(--transition-hero);
}

.hero__visual:hover .hero__facade-image {
  transform: scale(1.03);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about__label {
  color: var(--brand-pink);
  margin-bottom: var(--space-md);
}

.about__title {
  margin-bottom: var(--space-lg);
}

.about__description {
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
}

.about__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.feature {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.feature__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  color: var(--brand-pink);
}

.feature__icon .material-symbols-outlined {
  font-size: 1.4rem;
}

.feature__title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

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

/* Stats Grid */
.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.stat-card {
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  border-color: rgba(240, 43, 203, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(240, 43, 203, 0.1);
}

.stat-card--highlight {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple));
  border-color: transparent;
}

.stat-card--highlight .stat-card__number,
.stat-card--highlight .stat-card__label {
  color: var(--brand-white);
}

.stat-card__number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.stat-card__label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--brand-pink);
}

.stat-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  filter: grayscale(100%);
  transition: filter var(--transition-hero);
}

.stat-card__img:hover {
  filter: grayscale(0%);
}

.stat-card--image {
  padding: 0;
  overflow: hidden;
  min-height: 200px;
}

/* ============================================
   PROGRAMAÇÃO (Program) SECTION
   ============================================ */
.program__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.program__header p {
  max-width: 600px;
  margin: var(--space-md) auto 0;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.program__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.program-card {
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.program-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-pink));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.program-card:hover {
  border-color: rgba(240, 43, 203, 0.2);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

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

.program-card--wide {
  grid-column: span 2;
}

.program-card--full {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.program-card--full .program-card__title,
.program-card--full .program-card__desc {
  color: var(--brand-white);
}

.program-card__day {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--brand-pink);
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.program-card__day .material-symbols-outlined {
  font-size: 1.2rem;
  transition: transform var(--transition-normal);
}

.program-card:hover .program-card__day .material-symbols-outlined {
  transform: rotate(45deg);
}

.program-card__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.program-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   SPEAKERS SECTION
   ============================================ */
.speakers__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-3xl);
}

.speakers__header p {
  color: var(--text-secondary);
  margin-top: var(--space-sm);
  font-size: 1.1rem;
}

.speakers__nav {
  display: flex;
  gap: var(--space-sm);
}

.speakers__nav-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--bg-glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  background: var(--bg-glass);
}

.speakers__nav-btn:hover {
  border-color: var(--brand-pink);
  color: var(--brand-pink);
  background: rgba(240, 43, 203, 0.1);
}

.speakers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.speaker-card {
  position: relative;
}

.speaker-card__image-wrapper {
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  position: relative;
}

.speaker-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: all var(--transition-hero);
  transform: scale(1.1);
}

.speaker-card:hover .speaker-card__image {
  filter: grayscale(0%);
  transform: scale(1);
}

.speaker-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 0, 134, 0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.speaker-card:hover .speaker-card__overlay {
  opacity: 1;
}

.speaker-card__socials {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  display: flex;
  gap: var(--space-sm);
  transform: translateY(1rem);
  opacity: 0;
  transition: all var(--transition-normal);
}

.speaker-card:hover .speaker-card__socials {
  transform: translateY(0);
  opacity: 1;
}

.speaker-card__social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.85rem;
  transition: background var(--transition-fast);
}

.speaker-card__social-link:hover {
  background: var(--brand-pink);
}

.speaker-card__name {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.speaker-card__role {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--brand-pink);
}

/* ============================================
   LOCATION SECTION
   ============================================ */
.location__card {
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.location__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.location__info {
  padding: var(--space-4xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.location__info h2 {
  margin-bottom: var(--space-lg);
}

.location__info p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.location__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.location__detail {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-secondary);
}

.location__detail--address {
  align-items: flex-start;
}

.location__detail .material-symbols-outlined {
  color: var(--brand-pink);
  font-size: 1.3rem;
}

.location__address {
  display: grid;
  gap: 0.15rem;
  line-height: 1.5;
}

.location__address strong {
  color: var(--text-primary);
  font-weight: 600;
}

.location__map {
  position: relative;
  min-height: 450px;
}

.location__map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.location__map-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--bg-card), transparent 30%);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.faq__list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: border-color var(--transition-normal);
}

.faq-item--open {
  border-color: rgba(240, 43, 203, 0.3);
}

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  text-align: left;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.faq-item--open .faq-item__question {
  color: var(--brand-pink);
}

.faq-item__icon {
  font-size: 1.2rem;
  transition: transform var(--transition-normal);
  color: var(--text-muted);
}

.faq-item--open .faq-item__icon {
  transform: rotate(45deg);
  color: var(--brand-pink);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item--open .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer-inner {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ============================================
   CTA FINAL SECTION
   ============================================ */
.cta-final {
  text-align: center;
  padding: var(--space-5xl) 0;
  position: relative;
}

.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(240, 43, 203, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-final h2 {
  margin-bottom: var(--space-lg);
}

.cta-final p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.8;
}

.cta-final__btn-wrapper {
  display: inline-block;
  padding: 2px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-pink), var(--brand-purple));
  transition: box-shadow var(--transition-normal);
  margin-bottom: var(--space-xl);
}

.cta-final__btn-wrapper:hover {
  box-shadow: 0 0 40px rgba(240, 43, 203, 0.4);
}

.cta-final__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 1.25rem 3rem;
  background: var(--bg-primary);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
}

.cta-final__btn:hover {
  background: transparent;
  color: var(--brand-white);
}

.cta-final__urgency {
  margin-top: var(--space-2xl);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--brand-pink);
  animation: pulseUrgency 2s ease-in-out infinite;
}

@keyframes pulseUrgency {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--footer-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--space-3xl) 0;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.footer__logo {
  height: 32px;
  width: auto;
}

.footer__links {
  display: flex;
  gap: var(--space-xl);
}

.footer__link {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--brand-pink);
}

.footer__copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.3);
}

.footer__socials {
  display: flex;
  gap: var(--space-md);
}

.footer__social {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.footer__social:hover {
  border-color: var(--brand-pink);
  color: var(--brand-pink);
  background: rgba(240, 43, 203, 0.1);
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal--delay-1 {
  transition-delay: 100ms;
}

.reveal--delay-2 {
  transition-delay: 200ms;
}

.reveal--delay-3 {
  transition-delay: 300ms;
}

.reveal--delay-4 {
  transition-delay: 400ms;
}

/* ============================================
   MOBILE NAVIGATION OVERLAY
   ============================================ */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(30px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-nav--open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav__link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.mobile-nav__link:hover {
  color: var(--brand-pink);
}

.mobile-nav__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-primary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
    max-height: 400px;
    margin: 0;
    width: calc(100% + var(--space-lg) * 2);
    max-width: calc(100% + var(--space-lg) * 2);
    margin-left: calc(-1 * var(--space-lg));
    border-radius: 0;
    border: none;
  }

  .countdown {
    justify-content: center;
  }

  .about__grid {
    grid-template-columns: 1fr;
  }

  .program__grid {
    grid-template-columns: 1fr 1fr;
  }

  .program-card--wide {
    grid-column: span 2;
  }

  .speakers__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .location__inner {
    grid-template-columns: 1fr;
  }

  .location__map {
    min-height: 300px;
  }

  .header__nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }
}

@media (max-width: 640px) {
  :root {
    --space-lg: 1rem;
    --space-4xl: 3rem;
    --space-5xl: 4rem;
  }

  h1 {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

  .program__grid {
    grid-template-columns: 1fr;
  }

  .program-card--wide {
    grid-column: span 1;
  }

  .program-card--full {
    flex-direction: column;
    text-align: center;
  }

  .speakers__grid {
    grid-template-columns: 1fr;
  }

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

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .countdown {
    gap: var(--space-md);
  }

  .countdown__number {
    font-size: 1.8rem;
  }

  .hero__logo-image {
    width: 60%;
  }

  .about__stats {
    grid-template-columns: 1fr;
  }

  .location__info {
    padding: var(--space-2xl);
  }
}

/* ---------- Material Symbols config ---------- */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}