/* ================================================================
   NATERRA — styles.css
   ================================================================ */

/* ================================================================
   TOKENS
   ================================================================ */
:root {
  /* Palette officielle */
  --nt-black:        #050807;
  --nt-green:        #28e20f;
  --nt-forest:       #12351f;
  --nt-white:        #ffffff;
  --nt-bg:           #f4f6f3;
  --nt-gray:         #5f6863;

  /* Dérivées */
  --nt-green-dim:    rgba(40, 226, 15, 0.14);
  --nt-green-glow:   rgba(40, 226, 15, 0.30);
  --nt-glass:        rgba(5, 8, 7, 0.76);
  --nt-glass-border: rgba(255, 255, 255, 0.10);
  --nt-surface-dark: #0c1510;

  /* Couleurs de statut */
  --nt-red:          #e03030;
  --nt-red-dim:      rgba(224, 48, 48, 0.14);
  --nt-amber:        #d97706;
  --nt-amber-dim:    rgba(217, 119, 6, 0.14);
  --nt-blue:         #2563eb;
  --nt-blue-dim:     rgba(37, 99, 235, 0.14);
  --nt-teal:         #0d9488;
  --nt-teal-dim:     rgba(13, 148, 136, 0.14);

  /* Radii */
  --r-sm:   10px;
  --r-md:   16px;
  --r-lg:   24px;
  --r-xl:   32px;
  --r-2xl:  40px;
  --r-pill: 999px;

  /* Ombres */
  --sh-sm:    0 2px 8px  rgba(0,0,0,0.10);
  --sh-md:    0 8px 28px rgba(0,0,0,0.16);
  --sh-lg:    0 20px 60px rgba(0,0,0,0.28);
  --sh-green: 0 4px 22px rgba(40,226,15,0.35);

  /* Layout */
  --shell:    1100px;
  --header-h: 68px;
}

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

html {
  scroll-behavior: smooth;
}

html, body {
  overflow-x: hidden;
}

body {
  font-family: 'Roboto', Arial, sans-serif;
  background: var(--nt-bg);
  color: var(--nt-black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  font-size: 16px;
}

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

button {
  font-family: inherit;
}

/* ================================================================
   CONTAINER
   ================================================================ */
.nt-container {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 22px;
}

/* ================================================================
   BOUTONS
   ================================================================ */
.nt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Roboto', Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--r-pill);
  border: 1.5px solid transparent;
  padding: 11px 22px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.14s, box-shadow 0.14s, transform 0.12s, opacity 0.14s;
  white-space: nowrap;
  line-height: 1;
}

.nt-btn--sm  { padding: 8px 16px;  font-size: 13px; }
.nt-btn--lg  { padding: 14px 28px; font-size: 15px; }

.nt-btn--green {
  background: var(--nt-green);
  color: var(--nt-black);
  border-color: var(--nt-green);
  box-shadow: var(--sh-green);
}
.nt-btn--green:hover {
  background: #1fd400;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(40,226,15,0.45);
}

.nt-btn--ghost-white {
  background: rgba(255,255,255,0.08);
  color: var(--nt-white);
  border-color: rgba(255,255,255,0.20);
}
.nt-btn--ghost-white:hover {
  background: rgba(255,255,255,0.14);
}

.nt-btn--outline-white {
  background: transparent;
  color: var(--nt-white);
  border-color: rgba(255,255,255,0.32);
}
.nt-btn--outline-white:hover {
  background: rgba(255,255,255,0.08);
}

.nt-btn--white {
  background: #fff;
  color: var(--nt-black);
  border-color: #fff;
}
.nt-btn--white:hover {
  background: rgba(255,255,255,0.88);
  transform: translateY(-1px);
}

.nt-btn[disabled],
.nt-btn[aria-disabled="true"] {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

/* ================================================================
   BADGE / EYEBROW
   ================================================================ */
.nt-badge {
  display: inline-flex;
  align-items: center;
  background: var(--nt-green-dim);
  border: 1px solid rgba(40,226,15,0.25);
  color: var(--nt-green);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  margin-bottom: 22px;
}

.nt-eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--nt-gray);
  margin-bottom: 12px;
}
.nt-eyebrow--green { color: var(--nt-green); }

/* ================================================================
   HEADER
   ================================================================ */
.nt-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--header-h);
  background: rgba(5, 8, 7, 0.84);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.nt-header__inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 22px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nt-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.nt-brand__img {
  height: 32px;
  width: auto;
}

.nt-brand__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--nt-white);
  letter-spacing: -0.01em;
}

.nt-nav {
  display: none;
  gap: 28px;
}

.nt-nav__link {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.60);
  text-decoration: none;
  transition: color 0.12s;
}
.nt-nav__link:hover { color: var(--nt-white); }

/* ================================================================
   HERO
   ================================================================ */
.nt-hero {
  position: relative;
  min-height: 100vh;
  min-height: max(100vh, 760px);
  padding-top: var(--header-h);
  background-color: var(--nt-black); /* fallback si image absente */
  background-image: url('./assets/hero-nature.jpg');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Overlay sombre + grille topographique (empilés sur la photo) */
.nt-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    /* Grille très subtile au-dessus */
    linear-gradient(rgba(40,226,15,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40,226,15,0.018) 1px, transparent 1px),
    /* Overlay principal : sombre avec légère profondeur vert forêt */
    linear-gradient(160deg, rgba(5,8,7,0.66) 0%, rgba(8,24,14,0.54) 50%, rgba(5,8,7,0.62) 100%);
  background-size: 44px 44px, 44px 44px, 100% 100%;
  pointer-events: none;
}

.nt-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
  padding-top: 52px;
  padding-bottom: 64px;
}

/* Contenu texte */
.nt-hero__content {
  color: var(--nt-white);
  max-width: 540px;
}

.nt-hero__title {
  font-size: clamp(46px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.07;
  letter-spacing: -0.03em;
  color: var(--nt-white);
  margin-bottom: 16px;
  text-shadow: 0 4px 28px rgba(0,0,0,0.45);
}

.nt-hero__tagline {
  font-size: clamp(17px, 2.5vw, 21px);
  font-weight: 600;
  color: var(--nt-green);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.nt-hero__body {
  font-size: 16px;
  line-height: 1.65;
  color: rgba(255,255,255,0.60);
  margin-bottom: 32px;
  max-width: 420px;
}

.nt-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.nt-hero__footnote {
  font-size: 13px;
  color: rgba(255,255,255,0.30);
  line-height: 1.5;
}

/* ================================================================
   HERO SHOWCASE (iPhone + floating cards)
   ================================================================ */
.nt-hero__showcase {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 60px;
}

/* ================================================================
   iPHONE MOCKUP
   ================================================================ */
.nt-iphone {
  position: relative;
  z-index: 2;
}

/* Halo vert derrière le téléphone */
.nt-iphone::before {
  content: '';
  position: absolute;
  width: 130%;
  height: 55%;
  background: radial-gradient(ellipse, rgba(40,226,15,0.10) 0%, transparent 70%);
  top: 22%;
  left: -15%;
  z-index: -1;
  pointer-events: none;
}

.nt-iphone__frame {
  width: 252px;
  background: linear-gradient(155deg, #181e18 0%, #0c1010 100%);
  border-radius: 44px;
  padding: 12px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.08),
    0 0 0 2.5px rgba(0,0,0,0.45),
    0 40px 90px rgba(0,0,0,0.65);
}

.nt-iphone__island {
  width: 86px;
  height: 27px;
  background: #000;
  border-radius: var(--r-pill);
  margin: 0 auto 8px;
}

.nt-iphone__screen {
  border-radius: 32px;
  overflow: hidden;
  height: 460px;
  position: relative;
}

/* ================================================================
   MAP (dans l'iPhone)
   ================================================================ */
.nt-map {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 28% 38%, #2d6040 0%, transparent 48%),
    radial-gradient(circle at 68% 62%, #1f4a2c 0%, transparent 45%),
    linear-gradient(158deg, #0e2c19 0%, #1c4829 45%, #102c1c 100%);
  position: relative;
  overflow: hidden;
}

/* Lignes topographiques */
.nt-map__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(40,226,15,0.11);
  transform: translate(-50%, -50%);
}
.nt-map__ring--1 { width: 290px; height: 240px; top: 48%; left: 46%; }
.nt-map__ring--2 { width: 195px; height: 160px; top: 46%; left: 44%; }
.nt-map__ring--3 { width: 108px; height: 88px;  top: 44%; left: 42%; }

/* Tracé sentier */
.nt-map__trail {
  position: absolute;
  width: 52%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(40,226,15,0.48), rgba(40,226,15,0.28), transparent);
  top: 55%;
  left: 24%;
  border-radius: 2px;
  transform: rotate(-11deg);
}

/* Barre supérieure glass */
.nt-map__topbar {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  background: var(--nt-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--nt-glass-border);
  border-radius: 13px;
  padding: 9px 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 4;
}

.nt-map__topbar-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--nt-white);
}

.nt-map__topbar-pill {
  font-size: 10px;
  font-weight: 700;
  background: var(--nt-green-dim);
  color: var(--nt-green);
  border: 1px solid rgba(40,226,15,0.22);
  padding: 3px 9px;
  border-radius: var(--r-pill);
}

/* Pins */
.nt-pin {
  position: absolute;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,0.92);
  transform: translate(-50%, -50%);
  z-index: 3;
}
.nt-pin::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.22;
}
.nt-pin--green { background: var(--nt-green); }
.nt-pin--red   { background: var(--nt-red); }
.nt-pin--amber { background: var(--nt-amber); }

/* Bottom sheet */
.nt-map__sheet {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(7, 11, 8, 0.93);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,255,255,0.08);
  border-top-left-radius: 22px;
  border-top-right-radius: 22px;
  padding: 10px 18px 22px;
  z-index: 5;
}

.nt-map__sheet-handle {
  width: 34px;
  height: 4px;
  background: rgba(255,255,255,0.18);
  border-radius: var(--r-pill);
  margin: 0 auto 12px;
}

.nt-map__sheet-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: var(--nt-green-dim);
  color: var(--nt-green);
  padding: 3px 9px;
  border-radius: var(--r-pill);
  margin-bottom: 8px;
}

.nt-map__sheet-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--nt-white);
  margin-bottom: 4px;
}

.nt-map__sheet-meta {
  font-size: 12px;
  color: rgba(255,255,255,0.42);
}

/* ================================================================
   FLOATING CARDS (autour du mockup)
   ================================================================ */
.nt-float-card {
  display: none; /* affiché en desktop via media query */
  position: absolute;
  background: rgba(255,255,255,0.97);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--r-lg);
  padding: 14px 16px;
  box-shadow: var(--sh-md);
  width: 188px;
  z-index: 3;
  gap: 10px;
  align-items: flex-start;
}

.nt-float-card__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 3px;
}
.nt-float-card__dot--green { background: var(--nt-green); box-shadow: 0 0 0 3px rgba(40,226,15,0.18); }
.nt-float-card__dot--blue  { background: var(--nt-blue);  box-shadow: 0 0 0 3px rgba(37,99,235,0.18); }

.nt-float-card__title {
  font-size: 13px;
  font-weight: 700;
  color: var(--nt-black);
  margin-bottom: 3px;
}

.nt-float-card__text {
  font-size: 12px;
  color: var(--nt-gray);
  line-height: 1.4;
}

.nt-float-card--1 { top: 20%; left: -8px; }
.nt-float-card--2 { bottom: 22%; right: -8px; }

/* ================================================================
   SECTIONS — base
   ================================================================ */
.nt-section {
  padding: 88px 0;
}

.nt-section--light { background: var(--nt-bg); }
.nt-section--dark  { background: var(--nt-black); }

.nt-section__head {
  max-width: 620px;
  margin-bottom: 48px;
}

.nt-section__title {
  font-size: clamp(26px, 3.8vw, 40px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--nt-black);
  margin-bottom: 14px;
}
.nt-section__title--white { color: var(--nt-white); }

.nt-section__body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--nt-gray);
  max-width: 500px;
}
.nt-section__body--muted { color: rgba(255,255,255,0.48); }

/* ================================================================
   SECTION EXPLORER
   ================================================================ */
/* ================================================================
   EXPLORER — intro + 6 cards
   ================================================================ */
.nt-explorer {
  background: #f4f6f3;
  padding: 96px 0 80px;
}

.nt-explorer__intro {
  max-width: 1060px;
  text-align: center;
}

.nt-explorer__eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--nt-green);
  margin-bottom: 18px;
}

.nt-explorer__title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--nt-black);
  margin-bottom: 20px;
}

.nt-explorer__text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--nt-gray);
  max-width: 680px;
  margin: 0 auto;
}

.nt-explorer__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 52px;
}

.nt-explorer-card {
  overflow: hidden;
  border-radius: 30px;
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(18,53,31,0.10);
  box-shadow: 0 22px 60px rgba(5,8,7,0.10);
  display: flex;
  flex-direction: column;
  min-height: 360px;
  transition: box-shadow 0.18s, transform 0.18s;
}
.nt-explorer-card:hover {
  box-shadow: 0 28px 72px rgba(5,8,7,0.15);
  transform: translateY(-3px);
}

.nt-explorer-card__media {
  position: relative;
  height: 210px;
  overflow: hidden;
  background: #d4dbd2;
  flex-shrink: 0;
}
.nt-explorer-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,8,7,0.02) 0%, rgba(5,8,7,0.18) 100%);
  pointer-events: none;
}
.nt-explorer-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.01);
}

.nt-explorer-card__body {
  padding: 26px 26px 30px;
  flex: 1;
}

.nt-explorer-card__title {
  margin: 0 0 10px;
  color: var(--nt-black);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nt-explorer-card__text {
  margin: 0;
  color: var(--nt-gray);
  font-size: 15px;
  line-height: 1.55;
}

/* ================================================================
   EXPLORER VISUAL — forêt + iPhone
   ================================================================ */
.nt-explorer-visual {
  position: relative;
  min-height: 780px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-image: url("./assets/explorer-forest.jpg");
  background-size: cover;
  background-position: center;
}

.nt-explorer-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(244,246,243,0.20) 0%,
    rgba(244,246,243,0.08) 45%,
    rgba(244,246,243,0.18) 100%
  );
  z-index: 0;
}

.nt-explorer-visual__phone {
  position: relative;
  z-index: 1;
  width: min(360px, 78vw);
  max-height: 86%;
  object-fit: contain;
  filter: drop-shadow(0 28px 60px rgba(0,0,0,0.35));
}

/* ================================================================
   PRACTICE CAROUSEL
   ================================================================ */
/* ================================================================
   PRATIQUER — carrousel photo
   ================================================================ */
.nt-practice {
  background: #050807;
  color: #ffffff;
  padding: 96px 0;
  overflow: hidden;
}

.nt-practice__header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 48px;
}

.nt-practice__eyebrow {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  font-weight: 800;
  color: #28e20f;
  margin-bottom: 18px;
}

.nt-practice__title {
  margin: 0 0 20px;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 0.96;
  letter-spacing: -0.05em;
  color: #ffffff;
}

.nt-practice__text {
  margin: 0;
  color: rgba(255,255,255,0.72);
  font-size: 17px;
  line-height: 1.6;
}

.nt-practice__carousel {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 8px max(24px, calc((100vw - 1180px) / 2)) 28px;
  scrollbar-width: none;
}
.nt-practice__carousel::-webkit-scrollbar { display: none; }

.nt-practice-card {
  position: relative;
  flex: 0 0 min(330px, 78vw);
  height: 520px;
  border-radius: 34px;
  overflow: hidden;
  scroll-snap-align: center;
  background: #12351f;
  box-shadow: 0 28px 80px rgba(0,0,0,0.35);
  transition: box-shadow 0.18s, transform 0.18s;
}
.nt-practice-card:hover {
  box-shadow: 0 36px 96px rgba(0,0,0,0.45);
  transform: translateY(-4px);
}

.nt-practice-card > * { transform: none; }

.nt-practice-card__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  transition: transform 0.4s ease;
}
.nt-practice-card:hover .nt-practice-card__image {
  transform: scale(1.07);
}

.nt-practice-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5,8,7,0.02) 0%,
    rgba(5,8,7,0.18) 44%,
    rgba(5,8,7,0.72) 100%
  );
}

.nt-practice-card__content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  min-height: 190px;
  padding: 28px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}

.nt-practice-card__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  white-space: nowrap;
  min-height: 34px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(40,226,15,0.16);
  color: #28e20f;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.nt-practice-card__text {
  margin: 0;
  color: rgba(255,255,255,0.86);
  font-size: 16px;
  line-height: 1.48;
  text-shadow: 0 2px 16px rgba(0,0,0,0.45);
}

/* ================================================================
   SIGNAL GRID
   ================================================================ */
/* ================================================================
   SIGNALER — deux colonnes + carrousel automatique CSS
   ================================================================ */
.nt-reports {
  background: #f4f6f3;
  padding: 110px 0;
  overflow: hidden;
}

.nt-reports__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  align-items: center;
}

.nt-reports__title {
  margin: 16px 0 20px;
  color: #050807;
  font-size: clamp(30px, 4.8vw, 54px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.nt-reports__body {
  margin: 0;
  color: #5f6863;
  font-size: 17px;
  line-height: 1.65;
  max-width: 42ch;
}

.nt-reports__copy {
  align-self: center;
}

.nt-reports-carousel {
  position: relative;
  width: min(420px, 100%);
  height: 640px;
  min-height: 0;
  margin: 0 auto;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.nt-reports-carousel::before,
.nt-reports-carousel::after { display: none; }

.nt-report-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px);
  animation: ntReportFade 20s infinite;
}

.nt-report-slide::before,
.nt-report-slide::after { display: none; }

.nt-report-slide__stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
}

.nt-report-slide__image {
  width: min(340px, 74vw);
  max-height: 560px;
  object-fit: contain;
  filter: none;
  display: block;
  margin: 0 auto;
}

.nt-report-slide__caption {
  margin-top: 0;
  text-align: center;
  position: relative;
  z-index: 2;
}

.nt-report-slide__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(40, 226, 15, 0.18);
  color: #28e20f;
  border: 1px solid rgba(40, 226, 15, 0.24);
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.nt-report-slide:nth-child(1) { animation-delay:  0s; }
.nt-report-slide:nth-child(2) { animation-delay:  4s; }
.nt-report-slide:nth-child(3) { animation-delay:  8s; }
.nt-report-slide:nth-child(4) { animation-delay: 12s; }
.nt-report-slide:nth-child(5) { animation-delay: 16s; }

@keyframes ntReportFade {
  0%   { opacity: 0; transform: translateY(10px);  }
  4%   { opacity: 1; transform: translateY(0);     }
  18%  { opacity: 1; transform: translateY(0);     }
  22%  { opacity: 0; transform: translateY(-10px); }
  100% { opacity: 0; transform: translateY(-10px); }
}

@media (prefers-reduced-motion: reduce) {
  .nt-report-slide              { animation: none; opacity: 0; transform: none; }
  .nt-report-slide:nth-child(1) { opacity: 1; }
}

/* ================================================================
   APPLICATION — FEATURES CAROUSEL
   ================================================================ */
#app {
  overflow-x: hidden;
}

.nt-app-carousel {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: 20px;
  padding-bottom: 24px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.nt-app-carousel::-webkit-scrollbar { display: none; }

.nt-app-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}
.nt-app-carousel__dots button {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: rgba(255,255,255,0.28);
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: background 0.2s, width 0.2s;
}
.nt-app-carousel__dots button.is-active {
  width: 20px;
  background: #28e20f;
}
.nt-app-carousel__dots button:focus-visible {
  outline: 2px solid rgba(40,226,15,0.80);
  outline-offset: 2px;
}

.nt-app-card {
  flex: 0 0 340px;
  scroll-snap-align: start;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 28px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s;
}
.nt-app-card:hover { border-color: rgba(255,255,255,0.14); }

.nt-app-card__image-wrap {
  height: 460px;
  background: rgba(255,255,255,0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.nt-app-card__image {
  width: auto;
  max-width: 240px;
  max-height: 440px;
  object-fit: contain;
  display: block;
}

.nt-app-card__body {
  padding: 24px 26px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nt-app-card__badge {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(40, 226, 15, 0.15);
  border: 1px solid rgba(40, 226, 15, 0.22);
  color: #28e20f;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  line-height: 1;
}

.nt-app-card__title {
  margin: 0;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.nt-app-card__text {
  margin: 0;
  color: rgba(255,255,255,0.50);
  font-size: 15px;
  line-height: 1.55;
}

/* ================================================================
   DOWNLOAD CTA
   ================================================================ */
.nt-download {
  background: var(--nt-forest);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}

/* Glow central */
.nt-download::before {
  content: '';
  position: absolute;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(40,226,15,0.08) 0%, transparent 68%);
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}

.nt-download__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.nt-download__title {
  font-size: clamp(26px, 5vw, 46px);
  font-weight: 700;
  color: var(--nt-white);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 14px;
}

.nt-download__body {
  font-size: 16px;
  color: rgba(255,255,255,0.52);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

.nt-download__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.nt-download__actions .nt-btn { min-width: 180px; }
.nt-download__guide {
  display: block;
  margin-top: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.44);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.nt-download__guide:hover { color: rgba(255,255,255,0.70); }

/* ================================================================
   FOOTER
   ================================================================ */
.nt-footer {
  background: var(--nt-black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 52px 0 36px;
}

.nt-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.nt-footer__left {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nt-footer__brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--nt-white);
  letter-spacing: -0.01em;
}

.nt-footer__email {
  font-size: 13px;
  color: rgba(255,255,255,0.38);
  text-decoration: none;
  transition: color 0.12s;
}
.nt-footer__email:hover { color: rgba(255,255,255,0.72); }

.nt-footer__right {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nt-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.nt-footer__link {
  font-size: 13px;
  color: rgba(255,255,255,0.38);
  text-decoration: none;
  transition: color 0.12s;
}
.nt-footer__link:hover { color: rgba(255,255,255,0.72); }

.nt-footer__mention {
  font-size: 12px;
  color: rgba(255,255,255,0.22);
  line-height: 1.65;
  max-width: 480px;
}

.nt-footer__copy {
  font-size: 12px;
  color: rgba(255,255,255,0.16);
}

/* ================================================================
   RESPONSIVE — tablette 640px+
   ================================================================ */
@media (max-width: 480px) {
  .nt-explorer-visual { min-height: 620px; }
  .nt-explorer-visual__phone { width: min(310px, 84vw); }
  .nt-explorer-card__media { height: 190px; }
  .nt-reports-carousel { height: 500px; min-height: 0; }
  .nt-report-slide__image { max-height: 380px; width: min(280px, 82vw); }
}

@media (max-width: 640px) {
  .nt-practice { padding: 72px 0; }
  .nt-practice-card {
    flex-basis: 82vw;
    height: 500px;
  }
  .nt-app-card {
    flex: 0 0 84vw;
  }
  .nt-app-card__image-wrap { height: 380px; }
  .nt-app-card__image { max-width: 200px; max-height: 360px; }
}

@media (min-width: 640px) {
  .nt-explorer__cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 860px) {
  .nt-reports__layout {
    grid-template-columns: minmax(0, 0.88fr) minmax(320px, 0.72fr);
    gap: clamp(48px, 7vw, 96px);
    align-items: center;
  }
}

@media (max-width: 860px) {
  .nt-reports__copy { text-align: center; align-self: center; }
  .nt-reports-carousel { width: 100%; height: 600px; min-height: 0; }
  .nt-report-slide__image { width: min(310px, 82vw); max-height: 520px; }
  .nt-report-slide__stack { gap: 18px; }
}

/* ================================================================
   RESPONSIVE — desktop 768px+
   ================================================================ */
@media (min-width: 768px) {
  .nt-nav { display: flex; }

  .nt-hero__inner {
    min-height: calc(90vh - var(--header-h));
  }

  /* Explorer visual */
  .nt-explorer-visual__phone { width: 410px; }

  /* Pratiquer : padding du carousel aligné sur le container */
  .nt-practice__carousel {
    padding-left: max(24px, calc((100vw - 1180px) / 2));
  }

  .nt-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: 48px;
  }

  .nt-footer__right {
    align-items: flex-end;
    text-align: right;
  }

  .nt-footer__nav { justify-content: flex-end; }
}

/* ================================================================
   RESPONSIVE — large desktop 1024px+
   ================================================================ */
@media (min-width: 1024px) {
  .nt-iphone__frame { width: 278px; }
  .nt-iphone__screen { height: 510px; }

  .nt-map__ring--1 { width: 320px; height: 270px; }
  .nt-map__ring--2 { width: 216px; height: 178px; }
  .nt-map__ring--3 { width: 120px; height: 98px; }

  /* Explorer */
  .nt-explorer__cards { grid-template-columns: repeat(3, 1fr); }
}

/* ================================================================
   LEGAL PAGES — CGU, Politique de confidentialité
   ================================================================ */
.nt-legal {
  background: var(--nt-black);
  min-height: 100vh;
  padding: 80px 0 120px;
}

.nt-legal__head {
  max-width: 920px;
  margin: 0 auto 52px;
}

.nt-legal__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: #fff;
  line-height: 1.08;
  margin: 12px 0 16px;
}

.nt-legal__version {
  display: block;
  color: rgba(255,255,255,0.32);
  font-size: 13px;
  margin-bottom: 20px;
}

.nt-legal__intro {
  color: rgba(255,255,255,0.50);
  font-size: 16px;
  line-height: 1.65;
  margin: 0 0 16px;
}

.nt-legal__notice {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  background: rgba(40, 226, 15, 0.07);
  border: 1px solid rgba(40, 226, 15, 0.18);
  color: rgba(40, 226, 15, 0.70);
  font-size: 13px;
  line-height: 1.5;
}

/* Main content panel */
.nt-legal-panel {
  max-width: 920px;
  margin: 0 auto;
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 52px 56px 60px;
}

/* Chapter headings */
.nt-legal__chapter {
  margin: 52px 0 16px;
  color: rgba(255,255,255,0.30);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.nt-legal-panel > .nt-legal__chapter:first-child { margin-top: 0; }

/* Accordion items */
.nt-legal-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 14px;
  margin-bottom: 8px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.nt-legal-item[open] { border-color: rgba(40,226,15,0.28); }

.nt-legal-item > summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  cursor: pointer;
  color: rgba(255,255,255,0.82);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.4;
  user-select: none;
  transition: background 0.15s, color 0.15s;
}
.nt-legal-item > summary::-webkit-details-marker { display: none; }
.nt-legal-item > summary::after {
  content: '+';
  flex-shrink: 0;
  color: rgba(255,255,255,0.28);
  font-size: 20px;
  font-weight: 300;
  line-height: 1;
}
.nt-legal-item > summary:hover {
  background: rgba(255,255,255,0.04);
  color: #fff;
}
.nt-legal-item[open] > summary {
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nt-legal-item[open] > summary::after {
  content: '−';
  color: rgba(40,226,15,0.65);
}

/* Answer body */
.nt-legal-answer {
  padding: 18px 20px 20px;
  color: rgba(255,255,255,0.62);
  font-size: 15px;
  line-height: 1.72;
}
.nt-legal-answer p { margin: 0 0 12px; }
.nt-legal-answer p:last-child { margin-bottom: 0; }
.nt-legal-answer ul {
  margin: 8px 0 12px 22px;
  padding: 0;
}
.nt-legal-answer li { margin-bottom: 6px; }

/* Annexe */
.nt-legal__annex {
  margin-top: 48px;
  padding: 24px 28px;
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
}
.nt-legal__annex-title {
  margin: 0 0 14px;
  color: rgba(255,255,255,0.36);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nt-legal__annex ul {
  margin: 0;
  padding: 0 0 0 20px;
  color: rgba(255,255,255,0.42);
  font-size: 14px;
  line-height: 1.65;
}
.nt-legal__annex li { margin-bottom: 8px; }

/* Legal pages — responsive */
@media (max-width: 860px) {
  .nt-legal-panel { padding: 36px 32px 44px; border-radius: 18px; }
}
@media (max-width: 480px) {
  .nt-legal { padding: 56px 0 80px; }
  .nt-legal-panel { padding: 24px 18px 32px; border-radius: 14px; margin: 0; }
  .nt-legal-item > summary { padding: 14px 16px; font-size: 14px; }
  .nt-legal-answer { padding: 14px 16px 18px; font-size: 14px; }
}

/* ================================================================
   PAGE À PROPOS
   ================================================================ */
.nt-about__h2 {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 700;
  color: rgba(255,255,255,0.88);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 40px 0 20px;
}
.nt-legal-panel > .nt-about__h2:first-child { margin-top: 0; }
.nt-about__p {
  font-size: 16px;
  color: rgba(255,255,255,0.62);
  line-height: 1.7;
  margin: 0 0 18px;
}

/* ================================================================
   SECTION NOTRE VISION — Une nature à partager
   ================================================================ */
#vision { padding: 80px 0; }
#vision .nt-section__title { font-size: clamp(28px, 4.2vw, 46px); }

.nt-vision__intro {
  max-width: 640px;
  margin-bottom: 48px;
}
.nt-values__body  { font-size: 16px; color: rgba(255,255,255,0.72); line-height: 1.7; }

.nt-vision-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 840px;
}
.nt-val { display: flex; align-items: flex-start; gap: 14px; }
.nt-val__num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(40,226,15,0.14);
  color: var(--nt-green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  margin-top: 4px;
}
.nt-val__text { font-size: 16px; color: rgba(255,255,255,0.70); line-height: 1.7; margin: 0; }

.nt-vision__cta { margin-top: 40px; }

@media (max-width: 860px) {
  .nt-vision-points { grid-template-columns: 1fr; }
}