/* ============================================================
   MASTERCLASS JUNIORS OLA — Design System & Styles
   Stack : HTML/CSS pur · Mobile-first · BEM
   ============================================================ */

/* ---------- 0. CUSTOM PROPERTIES (Design Tokens) ---------- */
:root {
  /* Couleurs */
  --color-primary:   #F5C400;
  --color-primary-hover: #FFD740;
  --color-dark:      #0A0A0A;
  --color-dark-2:    #111111;
  --color-accent:    #FFD700;
  --color-text:      #1A1A1A;
  --color-text-muted:#555555;
  --color-white:     #FFFFFF;
  --color-light-bg:  #FFFDF0;
  --color-border:    #E8E4D9;

  /* Typographie */
  --font-display: "Playfair Display", Georgia, serif;
  --font-body:    "DM Sans", system-ui, -apple-system, sans-serif;
  --font-script:  "Dancing Script", cursive;

  /* Espacements */
  --space-xs:  0.5rem;   /*  8px */
  --space-sm:  1rem;     /* 16px */
  --space-md:  1.5rem;   /* 24px */
  --space-lg:  2.5rem;   /* 40px */
  --space-xl:  4rem;     /* 64px */
  --space-2xl: 6rem;     /* 96px */

  /* Rayons */
  --radius-sm:  0.5rem;
  --radius-md:  1rem;
  --radius-lg:  1.5rem;
  --radius-full: 50rem;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.35s;

  /* Ombres */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 30px rgba(245,196,0,0.25);

  /* Largeur max */
  --container-max: 1140px;
}

/* ---------- 1. RESET ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-light-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

/* ---------- 2. LAYOUT ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-md);
  }
}

/* ---------- 3. TYPOGRAPHY ---------- */
.section__tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.section__intro {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

/* Sections noires : titres blancs */
.countdown .section__title,
.audience .section__title {
  color: var(--color-white);
}

.audience .section__tag {
  color: var(--color-primary);
}

/* ---------- 4. BOUTONS / CTAs ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  padding: 0.85rem 2rem;
  transition:
    transform var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out),
    background-color var(--duration) var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-dark);
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(245,196,0,0);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn--primary:active {
  transform: translateY(0) scale(0.98);
}

/* Shine sweep animation */
.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 35%,
    rgba(255,255,255,0.4) 45%,
    rgba(255,255,255,0.4) 55%,
    transparent 65%
  );
  transform: translateX(-120%);
  transition: none;
}

.btn--primary:hover::after {
  animation: btn-shine 0.6s var(--ease-out) forwards;
}

@keyframes btn-shine {
  to { transform: translateX(120%); }
}

.btn--large {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--duration) var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* Pulse ring on large CTAs */
.btn--large::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  border: 2px solid var(--color-primary);
  opacity: 0;
  animation: btn-pulse 2.5s var(--ease-out) infinite;
}

@keyframes btn-pulse {
  0%   { transform: scale(1);   opacity: 0.5; }
  70%  { transform: scale(1.06); opacity: 0; }
  100% { transform: scale(1.06); opacity: 0; }
}

/* ---------- 5. BADGE ---------- */
.hero__badge {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-dark);
  background-color: var(--color-primary);
  padding: 0.45rem 1.2rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

/* ---------- 6. HEADER ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(255,253,240,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--duration) var(--ease-out);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.75rem;
}

.header__logo-name {
  font-family: var(--font-script);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
}

.header__cta.btn {
  padding: 0.6rem 1.4rem;
  font-size: 0.85rem;
}

/* Short / full label toggle for header CTA */
.header__cta-short { display: none; }

@media (max-width: 479px) {
  .header__cta-full  { display: none; }
  .header__cta-short { display: inline; }
  .header__cta.btn   { padding: 0.5rem 1rem; font-size: 0.8rem; }
}

/* ---------- 7. HERO ---------- */
.hero {
  padding-top: calc(3.75rem + var(--space-xl));
  padding-bottom: var(--space-xl);
  background-color: var(--color-light-bg);
  overflow: hidden;
  position: relative;
}

/* Subtle radial glow behind hero */
.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 120%;
  background: radial-gradient(ellipse at center, rgba(245,196,0,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

/* -- Stagger entrance: all children start hidden, JS reveals -- */
.hero__badge,
.hero__title,
.hero__subtitle,
.hero__points,
.hero__meta,
.hero__cta,
.hero__image {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.hero.is-loaded .hero__badge    { opacity: 1; transform: translateY(0); transition-delay: 0.05s; }
.hero.is-loaded .hero__title    { opacity: 1; transform: translateY(0); transition-delay: 0.15s; }
.hero.is-loaded .hero__subtitle { opacity: 1; transform: translateY(0); transition-delay: 0.25s; }
.hero.is-loaded .hero__points   { opacity: 1; transform: translateY(0); transition-delay: 0.35s; }
.hero.is-loaded .hero__meta     { opacity: 1; transform: translateY(0); transition-delay: 0.45s; }
.hero.is-loaded .hero__cta      { opacity: 1; transform: translateY(0); transition-delay: 0.55s; }
.hero.is-loaded .hero__image    { opacity: 1; transform: translateY(0); transition-delay: 0.35s; }

.hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  line-height: 1.15;
  color: var(--color-dark);
}

.hero__title strong {
  color: var(--color-dark);
  position: relative;
  display: inline;
}

/* Animated highlight underline */
.hero__title strong::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 0.3em;
  background-color: var(--color-primary);
  opacity: 0.35;
  border-radius: 2px;
  z-index: -1;
  transition: width 0.8s var(--ease-out) 0.6s;
}

.hero.is-loaded .hero__title strong::after {
  width: 100%;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.hero__points {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-sm);
  margin-top: var(--space-sm);
}

.hero__point {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-dark);
  padding: 0.4rem 1rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition:
    border-color var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out);
}

.hero__point:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(245,196,0,0.12);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-md);
  margin-top: var(--space-md);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Separator dots between meta items */
.hero__meta > *:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: 50%;
  margin-left: var(--space-md);
  vertical-align: middle;
}

.hero__cta {
  margin-top: var(--space-md);
  align-self: flex-start;
}

.hero__image {
  display: flex;
  justify-content: center;
  position: relative;
}

/* Gold ring behind photo */
.hero__image::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 85%;
  height: 85%;
  transform: translate(-50%, -50%);
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  opacity: 0.2;
  pointer-events: none;
}

.hero__image img {
  max-width: 320px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .hero {
    padding-top: calc(3.75rem + var(--space-2xl));
    padding-bottom: var(--space-2xl);
  }

  .hero .container {
    flex-direction: row;
    align-items: center;
  }

  .hero__content {
    flex: 1 1 55%;
  }

  .hero__image {
    flex: 1 1 45%;
    justify-content: flex-end;
  }

  .hero__image img {
    max-width: 100%;
    max-height: 520px;
  }
}

@media (min-width: 1024px) {
  .hero {
    min-height: calc(100vh - 3.75rem);
    display: flex;
    align-items: center;
  }
}

/* prefers-reduced-motion: show everything immediately */
@media (prefers-reduced-motion: reduce) {
  .hero__badge,
  .hero__title,
  .hero__subtitle,
  .hero__points,
  .hero__meta,
  .hero__cta,
  .hero__image {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__title strong::after {
    width: 100%;
    transition: none;
  }
}

/* ---------- 8. LEARN (Ce que tu vas apprendre) ---------- */
.learn {
  padding-block: var(--space-2xl);
  background-color: var(--color-white);
}

.learn .container {
  text-align: center;
}

.learn .section__intro {
  margin-inline: auto;
}

.learn__grid {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.learn__card {
  background-color: var(--color-light-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  text-align: left;
  position: relative;
  transition:
    transform var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out),
    border-color var(--duration) var(--ease-out);
}

.learn__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245,196,0,0.3);
}

/* Gold top accent bar */
.learn__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--space-md);
  right: var(--space-md);
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 0 0 3px 3px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.learn__card:hover::before {
  transform: scaleX(1);
}

.learn__icon {
  width: 3.2rem;
  height: 3.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  color: var(--color-dark);
}

.learn__card-number {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.4;
  margin-bottom: 0.3rem;
  letter-spacing: 0.05em;
}

.learn__card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-dark);
}

.learn__card-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

@media (min-width: 768px) {
  .learn__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 9. AUDIENCE (Pour qui) ---------- */
.audience {
  padding-block: var(--space-2xl);
  background-color: var(--color-dark);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

/* Subtle dot pattern */
.audience::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(245,196,0,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.audience .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

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

.audience__grid {
  display: grid;
  gap: var(--space-md);
}

.audience__card {
  background: linear-gradient(145deg, var(--color-dark-2), #181818);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-md);
  text-align: left;
  position: relative;
  transition:
    transform var(--duration) var(--ease-out),
    border-color var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out);
}

.audience__card:hover {
  transform: translateY(-5px);
  border-color: rgba(245,196,0,0.3);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3), 0 0 20px rgba(245,196,0,0.06);
}

/* Left gold accent */
.audience__card::after {
  content: "";
  position: absolute;
  top: var(--space-sm);
  bottom: var(--space-sm);
  left: 0;
  width: 3px;
  background: var(--color-primary);
  border-radius: 0 3px 3px 0;
  opacity: 0;
  transform: scaleY(0);
  transition:
    opacity var(--duration) var(--ease-out),
    transform var(--duration) var(--ease-out);
}

.audience__card:hover::after {
  opacity: 1;
  transform: scaleY(1);
}

.audience__card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(245,196,0,0.1);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.audience__card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}

.audience__card-text {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
}

@media (min-width: 768px) {
  .audience__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 10. SPEAKER (Intervenant) ---------- */
.speaker {
  padding-block: var(--space-2xl);
  background-color: var(--color-light-bg);
}

.speaker .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
}

.speaker__image {
  position: relative;
}

/* Decorative ring */
.speaker__image::before {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 2px dashed rgba(245,196,0,0.3);
  animation: speaker-ring-spin 25s linear infinite;
}

@keyframes speaker-ring-spin {
  to { transform: rotate(360deg); }
}

.speaker__image img {
  width: 260px;
  height: 260px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--color-primary);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  position: relative;
  z-index: 1;
}

.speaker__role {
  font-family: var(--font-script);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.speaker__bio p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.speaker__bio p + p {
  margin-top: var(--space-sm);
}

/* Stats row */
.speaker__stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.speaker__stat {
  display: flex;
  flex-direction: column;
}

.speaker__stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.1;
}

.speaker__stat-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

@media (min-width: 768px) {
  .speaker .container {
    flex-direction: row;
    gap: var(--space-xl);
    text-align: left;
  }

  .speaker__image {
    flex-shrink: 0;
  }

  .speaker__image img {
    width: 300px;
    height: 300px;
  }
}

/* ---------- 11. COUNTDOWN ---------- */
.countdown {
  padding-block: var(--space-2xl);
  background-color: var(--color-dark);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Subtle gold radial behind timer */
.countdown::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(245,196,0,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.countdown .container {
  position: relative;
  z-index: 1;
}

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

.countdown__timer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
}

.countdown__block {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(145deg, var(--color-dark-2), #181818);
  border: 1px solid rgba(245,196,0,0.15);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-sm);
  min-width: 4.2rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--duration) var(--ease-out);
}

/* Top-edge gold accent line */
.countdown__block::after {
  content: "";
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  border-radius: 1px;
}

.countdown__block:hover {
  border-color: rgba(245,196,0,0.35);
}

.countdown__value {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 900;
  line-height: 1;
  color: var(--color-primary);
  text-shadow: 0 0 20px rgba(245,196,0,0.2);
  min-width: 2ch;
  text-align: center;
}

/* Digit change pop effect — toggled by JS */
.countdown__value.is-ticking {
  animation: countdown-pop 0.35s var(--ease-out);
}

@keyframes countdown-pop {
  0%   { transform: scale(1);   }
  40%  { transform: scale(1.12); }
  100% { transform: scale(1);   }
}

.countdown__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-top: 0.4rem;
}

/* Colon separators */
.countdown__sep {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.5;
  line-height: 1;
  padding-bottom: 1.2rem;
  animation: sep-blink 1s steps(2, start) infinite;
}

@keyframes sep-blink {
  50% { opacity: 0.15; }
}

/* "La masterclass est en cours !" banner */
.countdown__live {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: var(--space-lg);
  animation: live-fade-in 0.6s var(--ease-out) both;
}

@keyframes live-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.countdown__live-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #F44336;
  flex-shrink: 0;
  animation: live-pulse 1.5s ease-in-out infinite;
}

@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(244,67,54,0.5); }
  50%      { box-shadow: 0 0 0 8px rgba(244,67,54,0); }
}

.countdown__live-text {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-white);
}

/* Expired state — hide timer, tweak CTA */
.countdown.is-expired .countdown__timer {
  display: none;
}

.countdown.is-expired .countdown__heading {
  display: none;
}

/* Desktop: bigger blocks */
@media (min-width: 768px) {
  .countdown__timer {
    gap: 0.75rem;
  }

  .countdown__block {
    min-width: 6.5rem;
    padding: var(--space-md) var(--space-md);
  }
}

@media (min-width: 1024px) {
  .countdown__block {
    min-width: 8rem;
    padding: var(--space-lg) var(--space-md);
  }
}

/* ---------- 12. REGISTRATION (Formulaire) ---------- */
.registration {
  padding-block: var(--space-2xl);
  background-color: var(--color-white);
}

.registration .container {
  max-width: 580px;
  text-align: center;
}

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

.registration .section__intro {
  margin-inline: auto;
  margin-bottom: 0;
}

/* Card wrapper */
.form__card {
  background-color: var(--color-light-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  box-shadow: var(--shadow-md);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

@media (min-width: 768px) {
  .form__card {
    padding: var(--space-xl) var(--space-lg);
  }
}

/* Honeypot — invisible */
.form__honeypot {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
  opacity: 0;
}

.form {
  text-align: left;
}

.form__group {
  margin-bottom: var(--space-md);
}

/* Two-column row for optional fields */
.form__row {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 480px) {
  .form__row {
    grid-template-columns: 1fr 1fr;
  }

  .form__row .form__group {
    margin-bottom: 0;
  }
}

.form__label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--color-dark);
}

.form__required {
  color: #D32F2F;
}

.form__optional {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.form__input {
  display: block;
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition:
    border-color var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out);
}

.form__input::placeholder {
  color: #B0A990;
}

.form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(245,196,0,0.18);
}

/* Valid state */
.form__input.is-valid {
  border-color: #43A047;
}

.form__input.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(67,160,71,0.15);
}

/* Error state */
.form__input.is-error {
  border-color: #D32F2F;
}

.form__input.is-error:focus {
  box-shadow: 0 0 0 3px rgba(211,47,47,0.15);
}

.form__error {
  display: block;
  font-size: 0.82rem;
  color: #D32F2F;
  margin-top: 0.3rem;
  min-height: 1.2em;
  transition: opacity 0.2s var(--ease-out);
}

/* Global server error */
.form__global-error {
  background-color: #FFEBEE;
  border: 1px solid #EF9A9A;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: #C62828;
  text-align: center;
  margin-bottom: var(--space-md);
  animation: shake 0.4s var(--ease-out);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}

/* Submit button */
.form__submit {
  width: 100%;
  margin-top: var(--space-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* Loading state */
.form__submit.is-loading {
  pointer-events: none;
  opacity: 0.8;
}

.form__submit.is-loading .form__submit-text,
.form__submit.is-loading .btn__arrow {
  visibility: hidden;
}

.form__submit.is-loading .form__submit-loader {
  display: block !important;
  position: absolute;
}

.form__submit-loader {
  width: 22px;
  height: 22px;
  border: 3px solid rgba(10,10,10,0.2);
  border-top-color: var(--color-dark);
  border-radius: 50%;
  animation: spinner 0.65s linear infinite;
}

@keyframes spinner {
  to { transform: rotate(360deg); }
}

.form__disclaimer {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-sm);
  line-height: 1.5;
}

/* ---- Success state ---- */
.form__success {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  animation: success-in 0.6s var(--ease-out) both;
}

@keyframes success-in {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Animated SVG checkmark */
.form__success-icon {
  margin-bottom: var(--space-md);
}

.form__success-circle {
  stroke-dasharray: 190;
  stroke-dashoffset: 190;
  animation: draw-circle 0.6s var(--ease-out) 0.1s forwards;
}

@keyframes draw-circle {
  to { stroke-dashoffset: 0; }
}

.form__success-check {
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: draw-check 0.35s var(--ease-out) 0.55s forwards;
}

@keyframes draw-check {
  to { stroke-dashoffset: 0; }
}

.form__success-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #2E7D32;
  margin-bottom: var(--space-xs);
}

.form__success-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-md);
}

.form__success-details {
  background-color: var(--color-light-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
}

.form__success-details p {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
}

.form__success-wa {
  margin-top: 0;
}

/* ---------- 13. FAQ ---------- */
.faq {
  padding-block: var(--space-2xl);
  background-color: var(--color-light-bg);
}

.faq .container {
  max-width: 720px;
  text-align: center;
}

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

.faq__list {
  text-align: left;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.faq__item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md) 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  cursor: pointer;
  list-style: none;
  transition: color var(--duration) var(--ease-out);
}

.faq__question:hover {
  color: var(--color-primary);
}

.faq__question::-webkit-details-marker {
  display: none;
}

/* Animated toggle icon */
.faq__question::after {
  content: "";
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: rgba(245,196,0,0.1);
  background-image:
    /* horizontal bar */
    linear-gradient(var(--color-primary), var(--color-primary)),
    /* vertical bar */
    linear-gradient(var(--color-primary), var(--color-primary));
  background-size:
    12px 2px,
    2px 12px;
  background-position: center;
  background-repeat: no-repeat;
  transition:
    transform var(--duration) var(--ease-out),
    background-color var(--duration) var(--ease-out),
    background-size var(--duration) var(--ease-out);
}

.faq__item[open] .faq__question::after {
  transform: rotate(180deg);
  background-color: var(--color-primary);
  /* Collapse vertical bar to 0 → shows only minus */
  background-size:
    12px 2px,
    2px 0;
  background-image:
    linear-gradient(var(--color-dark), var(--color-dark)),
    linear-gradient(var(--color-dark), var(--color-dark));
}

.faq__item[open] .faq__question {
  color: var(--color-dark);
}

/* Smooth animated answer open/close */
.faq__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s var(--ease-out);
}

.faq__item[open] .faq__answer {
  grid-template-rows: 1fr;
}

.faq__answer-inner {
  overflow: hidden;
}

.faq__answer p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding-bottom: var(--space-md);
}

/* ---------- 14. FOOTER ---------- */
.footer {
  padding-block: var(--space-lg);
  background-color: var(--color-dark);
  color: rgba(255,255,255,0.6);
  text-align: center;
}

.footer__logo {
  font-family: var(--font-script);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-white);
  display: block;
}

.footer__tagline {
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.footer__whatsapp {
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.footer__whatsapp-link {
  color: var(--color-primary);
  font-weight: 600;
  transition: color var(--duration) var(--ease-out);
}

.footer__whatsapp-link:hover {
  color: var(--color-primary-hover);
}

.footer__copy {
  font-size: 0.8rem;
  opacity: 0.5;
}

/* ---------- 15. ANIMATIONS (entrées au scroll — activées par JS) ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Décalage progressif pour grilles */
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* ---------- 16. UTILITY ---------- */
[hidden] {
  display: none !important;
}

/* Focus visible pour accessibilité clavier */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Smooth scroll sauf préférence réduite */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  .fade-up {
    opacity: 1;
    transform: none;
  }
}

/* ============================================================
   17. RESPONSIVE FIXES — Mobile 375 / Tablet 768 / Desktop 1280
   ============================================================ */

/* --- Small mobile (≤ 374px — iPhone SE, very narrow) --- */
@media (max-width: 374px) {
  :root {
    --space-2xl: 3.5rem;
  }

  .hero__title { font-size: 1.65rem; }

  .hero__points {
    flex-direction: column;
    gap: 0.4rem;
  }

  .countdown__block {
    min-width: 3.5rem;
    padding: var(--space-xs) var(--space-xs);
  }

  .countdown__sep { font-size: 1.2rem; }

  .btn--large {
    padding: 0.9rem 1.5rem;
    font-size: 0.95rem;
  }
}

/* --- Mobile baseline (375px – 479px) --- */
@media (max-width: 479px) {
  .hero__meta > *:not(:last-child)::after {
    display: none;
  }

  .hero__meta {
    flex-direction: column;
    gap: 0.3rem;
  }

  .countdown__timer {
    gap: 0.35rem;
  }

  .countdown__block {
    min-width: 3.8rem;
    padding: var(--space-sm) var(--space-xs);
  }

  .speaker__stats {
    justify-content: center;
    text-align: center;
  }

  .form__card {
    padding: var(--space-md) var(--space-sm);
  }

  .faq__question {
    font-size: 0.95rem;
  }
}

/* --- Tablet (768px+) — already handled above, add tweaks --- */
@media (min-width: 768px) {
  .footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-xs) var(--space-lg);
  }

  .footer__brand {
    text-align: left;
  }

  .footer__tagline { margin-bottom: 0; }
  .footer__whatsapp { margin-bottom: 0; }
  .footer__copy { width: 100%; }
}

/* --- Desktop wide (1280px+) --- */
@media (min-width: 1280px) {
  :root {
    --container-max: 1200px;
  }

  .hero .container {
    gap: var(--space-xl);
  }

  .hero__image img {
    max-height: 560px;
  }

  .learn__card {
    padding: var(--space-xl) var(--space-lg);
  }

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

  .speaker .container {
    gap: 5rem;
  }

  .speaker__image img {
    width: 340px;
    height: 340px;
  }

  .countdown__block {
    min-width: 9rem;
  }

  .faq .container {
    max-width: 780px;
  }
}

/* --- Ultra-wide (1440px+) --- */
@media (min-width: 1440px) {
  :root {
    --container-max: 1280px;
  }
}