/* ========================================
   HOME PREMIUM – SAMSUNG-INSPIRED DESIGN
   Dark, minimal, visual, spacious, premium
   ======================================== */

/* Focus sur : Samsung-like design with subtle animations, lots of whitespace */

/* HERO: Fullscreen premium */
.hero-premium {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg);
  margin-top: calc(-1 * var(--header-height));
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-visual {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,11,15,0.7) 0%, rgba(18,18,24,0.6) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-text {
  margin-bottom: 3rem;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 1.5rem 0;
  letter-spacing: -2px;
  color: var(--text);
}

.hero-title .accent {
  color: var(--primary);
  font-size: 1em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--muted);
  margin: 0 0 2rem 0;
  line-height: 1.6;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn-ghost-light {
  background: transparent;
  border: 1px solid rgba(231,231,235,0.3);
  color: var(--text);
  box-shadow: none;
}

.btn-ghost-light:hover {
  border-color: rgba(231,231,235,0.6);
  background: rgba(231,231,235,0.05);
}

/* PILLARS: 3 services clés */
.pillars-section {
  position: relative;
  padding: 8rem 0;
  background: var(--bg);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
}

.pillar {
  text-align: center;
  padding: 2rem 1rem;
  animation: fadeInUp 0.6s ease-out;
}

.pillar[data-reveal-delay="80"] {
  animation-delay: 0.1s;
}

.pillar[data-reveal-delay="160"] {
  animation-delay: 0.2s;
}

.pillar-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  color: var(--text);
}

.pillar-text {
  font-size: 1rem;
  color: var(--muted);
  margin: 0 0 1.5rem 0;
  line-height: 1.5;
}

.link-arrow {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.3s ease, color 0.3s ease;
  border-bottom: 1px solid var(--primary);
  padding-bottom: 2px;
}

.link-arrow:hover {
  transform: translateX(4px);
  color: var(--primary-2);
}

/* OFFERS: Sticky immersive scroll */
.offers-immersive {
  --primary: var(--accent);
  --primary-2: var(--accent-2);
  --text: var(--ink);
  --muted: var(--ink-muted);
  --offer-1-opacity: 1;
  --offer-1-y: 0px;
  --offer-2-opacity: 0;
  --offer-2-y: 42px;
  --offer-3-opacity: 0;
  --offer-3-y: 42px;
  --offer-visual-x: 0px;
  --offer-visual-y: 0px;
  --offer-signal-opacity: 0.28;
  position: relative;
  height: 250vh;
  min-height: 250vh;
  overflow: clip;
  background:
    radial-gradient(circle at 18% 24%, rgba(240,171,119,0.14), transparent 24%),
    radial-gradient(circle at 82% 62%, rgba(74,122,255,0.10), transparent 28%),
    linear-gradient(180deg, rgba(5,8,18,0.98), rgba(11,17,31,0.96) 48%, rgba(5,8,18,0.98));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.offers-bg {
  position: absolute;
  inset: -12vh 0;
  pointer-events: none;
  opacity: 0.5;
  transform: translate3d(0, var(--offers-bg-y, 0px), 0);
  background:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 118px 118px;
  mask-image: linear-gradient(180deg, transparent, black 18%, black 82%, transparent);
  will-change: transform;
}

.offers-sticky {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 2.2rem) 0 4rem;
}

.offers-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5.5rem);
  align-items: center;
}

.offers-heading {
  max-width: 500px;
}

.offers-kicker,
.offers-count {
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.offers-heading h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.2rem, 5.4vw, 4.5rem);
  line-height: 1.02;
  color: var(--text);
}

.offers-heading p {
  max-width: 38rem;
  color: var(--muted);
}

.offers-panel {
  position: relative;
  min-height: min(640px, calc(100vh - var(--header-height) - 5rem));
  display: grid;
  align-items: center;
}

.offers-panel::before {
  content: "";
  position: absolute;
  inset: clamp(1rem, 3vw, 2rem) 0;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02)),
    rgba(8,13,28,0.66);
  border: 1px solid rgba(176,184,202,0.13);
  box-shadow: 0 34px 90px rgba(0,0,0,0.34);
  backdrop-filter: blur(18px);
}

.offers-visual {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 8px;
  pointer-events: none;
}

.offers-orbit,
.offers-signal {
  position: absolute;
  border: 1px solid rgba(240,171,119,0.18);
  transform: translate3d(var(--offer-visual-x), var(--offer-visual-y), 0);
  transition: transform 180ms linear, opacity 400ms ease;
}

.offers-orbit {
  width: clamp(180px, 28vw, 360px);
  aspect-ratio: 1;
  border-radius: 999px;
  opacity: 0.34;
}

.offers-orbit-one {
  top: 8%;
  right: -8%;
}

.offers-orbit-two {
  bottom: 4%;
  left: -12%;
  border-color: rgba(74,122,255,0.16);
}

.offers-signal {
  height: 2px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(240,171,119,0.62), transparent);
  opacity: var(--offer-signal-opacity);
}

.offers-signal-one {
  top: 27%;
  left: 18%;
  width: 42%;
}

.offers-signal-two {
  top: 52%;
  right: 12%;
  width: 36%;
  background: linear-gradient(90deg, transparent, rgba(74,122,255,0.52), transparent);
}

.offers-signal-three {
  bottom: 24%;
  left: 28%;
  width: 48%;
}

.offers-state {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 4vw, 4rem);
  opacity: 0;
  transform: translate3d(0, 42px, 0);
  pointer-events: none;
  transition:
    opacity 760ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 760ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.offers-state[data-offer-state="1"] {
  opacity: var(--offer-1-opacity);
  transform: translate3d(0, var(--offer-1-y), 0);
}

.offers-state[data-offer-state="2"] {
  opacity: var(--offer-2-opacity);
  transform: translate3d(0, var(--offer-2-y), 0);
}

.offers-state[data-offer-state="3"] {
  opacity: var(--offer-3-opacity);
  transform: translate3d(0, var(--offer-3-y), 0);
}

.offers-state.is-active {
  pointer-events: auto;
}

.offers-count {
  margin: 0 0 0.9rem;
}

.offers-state h3 {
  max-width: 12ch;
  margin-bottom: clamp(1.25rem, 2vw, 1.8rem);
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 1.04;
}

.offers-proof {
  display: grid;
  gap: 0.95rem;
  margin: 0 0 1.8rem;
}

.offers-proof div {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 0 0 0.95rem;
  border-bottom: 1px solid rgba(176,184,202,0.12);
}

.offers-proof dt {
  color: #ffd0ae;
  font-weight: 800;
  font-size: 0.86rem;
}

.offers-proof dd {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.offers-progress {
  position: absolute;
  left: clamp(2rem, 4vw, 4rem);
  bottom: clamp(1.8rem, 3vw, 3rem);
  z-index: 2;
  display: flex;
  gap: 0.55rem;
}

.offers-progress span {
  width: 2.5rem;
  height: 2px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  transition: background 500ms ease, transform 500ms ease;
}

.offers-progress span.is-active {
  background: var(--primary);
  transform: scaleX(1.16);
}

/* LOCAL: Zones & segments */
.local-section {
  padding: 6rem 0;
  background: var(--bg-elev);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.local-intro {
  text-align: center;
  margin-bottom: 3rem;
}

.local-intro h2 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 1rem 0;
  color: var(--text);
}

.local-intro p {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

.local-segments {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.segment-link {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: background 0.3s ease, transform 0.3s ease;
  border: 1px solid rgba(192,20,26,0.3);
}

.segment-link:hover {
  background: rgba(192,20,26,0.1);
  transform: translateY(-2px);
  border-color: var(--primary);
}

/* PORTFOLIO: Open folder gallery */
.projects-section {
  padding: 8rem 0;
  background: var(--bg);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.projects-header {
  text-align: center;
  margin-bottom: 4rem;
}

.portfolio-header {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.portfolio-kicker {
  margin: 0 0 0.85rem;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.projects-header h2 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  color: var(--text);
}

.portfolio-header p:not(.portfolio-kicker) {
  max-width: 620px;
  margin: 1.2rem auto 0;
  color: var(--muted);
  line-height: 1.7;
}

.portfolio-folder {
  position: relative;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto 3rem;
  min-height: clamp(440px, 52vw, 590px);
  padding: clamp(2.2rem, 4vw, 3.8rem);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.025)),
    linear-gradient(135deg, rgba(42,43,52,0.92), rgba(14,14,19,0.96));
  box-shadow: 0 34px 100px rgba(0,0,0,0.36), inset 0 1px 0 rgba(255,255,255,0.1);
  isolation: isolate;
  perspective: 1200px;
  user-select: none;
}

.portfolio-folder::before,
.portfolio-folder::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.portfolio-folder::before {
  inset: 2.4rem 1.6rem 5.6rem;
  z-index: -2;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03)),
    linear-gradient(135deg, rgba(83,84,96,0.92), rgba(38,39,49,0.96));
  transform: rotateX(6deg);
  transform-origin: bottom center;
}

.portfolio-folder::after {
  right: 0.9rem;
  bottom: 0.8rem;
  left: 0.9rem;
  height: 48%;
  z-index: 3;
  border: 1px solid rgba(255,255,255,0.11);
  border-radius: 0 0 8px 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.035)),
    linear-gradient(135deg, rgba(192,20,26,0.2), rgba(31,32,42,0.98) 52%, rgba(68,69,82,0.92));
  box-shadow: 0 -18px 50px rgba(0,0,0,0.22), inset 0 1px 0 rgba(255,255,255,0.12);
}

.portfolio-folder-tab {
  position: absolute;
  top: 0.8rem;
  left: clamp(1.7rem, 5vw, 5rem);
  z-index: -1;
  width: min(310px, 45vw);
  height: 62px;
  border: 1px solid rgba(255,255,255,0.1);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.02)),
    linear-gradient(135deg, rgba(192,20,26,0.22), rgba(65,66,78,0.94));
  transform: skewX(-12deg);
  transform-origin: left bottom;
}

.portfolio-stack {
  position: relative;
  z-index: 1;
  min-height: clamp(340px, 42vw, 470px);
}

.portfolio-project {
  position: absolute;
  bottom: calc(42px + (var(--stack-index) * 18px));
  left: calc(4% + (var(--stack-index) * 22.5%));
  width: min(30%, 300px);
  min-width: 0;
  z-index: 1;
  transform: rotate(var(--stack-rotation));
  transition: transform 0.35s ease, filter 0.35s ease;
}

.portfolio-project:hover,
.portfolio-project:focus-within {
  z-index: 5;
  transform: translateY(-24px) rotate(calc(var(--stack-rotation) * 0.45));
}

.portfolio-project:hover .portfolio-project-btn,
.portfolio-project:focus-within .portfolio-project-btn {
  box-shadow: 0 34px 78px rgba(0,0,0,0.42);
}

.portfolio-project-btn {
  position: relative;
  display: block;
  width: 100%;
  min-height: clamp(250px, 31vw, 350px);
  padding: 0;
  color: inherit;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 8px;
  background: rgba(245,245,245,0.92);
  text-align: left;
  isolation: isolate;
  box-shadow: 0 24px 60px rgba(0,0,0,0.36);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.portfolio-shot,
.portfolio-shot-clone {
  position: absolute;
  inset: 0;
  display: block;
  border-radius: 6px;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 18px 48px rgba(0,0,0,0.28);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.portfolio-shot {
  overflow: hidden;
  inset: 0.48rem;
  border: 1px solid rgba(10,10,14,0.12);
}

.portfolio-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, rgba(6,6,9,0.82));
  pointer-events: none;
}

.portfolio-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.015);
  transition: transform 0.45s ease;
  user-select: none;
  -webkit-user-drag: none;
}

.portfolio-shot-clone {
  z-index: -1;
  border: 1px solid rgba(255,255,255,0.18);
}

.portfolio-shot-clone-one {
  transform: translate(11px, 13px) rotate(2deg);
  opacity: 0.54;
}

.portfolio-shot-clone-two {
  transform: translate(22px, 25px) rotate(4deg);
  opacity: 0.26;
}

.portfolio-project:hover .portfolio-shot,
.portfolio-project:focus-within .portfolio-shot {
  box-shadow: 0 34px 70px rgba(0,0,0,0.42), 0 0 0 1px rgba(192,20,26,0.32);
}

.portfolio-project:hover .portfolio-shot img,
.portfolio-project:focus-within .portfolio-shot img {
  transform: scale(1.045);
}

.portfolio-project-name {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 800;
}

.portfolio-project-type {
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portfolio-project-goal {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.portfolio-summary-grid {
  position: absolute;
  right: clamp(1.1rem, 2vw, 1.6rem);
  bottom: clamp(1.1rem, 2vw, 1.55rem);
  left: clamp(1.1rem, 2vw, 1.6rem);
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  max-width: none;
  margin: 0;
}

.portfolio-summary-card {
  min-height: 132px;
  padding: clamp(0.75rem, 1.4vw, 1rem);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)),
    rgba(10,10,14,0.62);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.portfolio-folder:has(.portfolio-project:nth-child(1):hover) .portfolio-summary-card:nth-child(1),
.portfolio-folder:has(.portfolio-project:nth-child(1):focus-within) .portfolio-summary-card:nth-child(1),
.portfolio-folder:has(.portfolio-project:nth-child(2):hover) .portfolio-summary-card:nth-child(2),
.portfolio-folder:has(.portfolio-project:nth-child(2):focus-within) .portfolio-summary-card:nth-child(2),
.portfolio-folder:has(.portfolio-project:nth-child(3):hover) .portfolio-summary-card:nth-child(3),
.portfolio-folder:has(.portfolio-project:nth-child(3):focus-within) .portfolio-summary-card:nth-child(3),
.portfolio-folder:has(.portfolio-project:nth-child(4):hover) .portfolio-summary-card:nth-child(4),
.portfolio-folder:has(.portfolio-project:nth-child(4):focus-within) .portfolio-summary-card:nth-child(4) {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.portfolio-summary-card h3 {
  margin: 0 0 0.55rem;
  color: var(--text);
  font-size: clamp(0.95rem, 1.6vw, 1.12rem);
}

.portfolio-summary-card p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.portfolio-modal[hidden] {
  display: none;
}

.portfolio-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2rem);
  background: rgba(5,5,8,0.82);
  backdrop-filter: blur(16px);
  user-select: none;
}

.portfolio-modal-shell {
  width: min(1180px, 100%);
  max-height: min(760px, calc(100vh - 2rem));
}

.portfolio-book {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  min-height: min(720px, calc(100vh - 2rem));
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.045), transparent 45%),
    linear-gradient(135deg, rgba(20,20,27,0.98), rgba(9,9,13,0.98));
  box-shadow: 0 40px 120px rgba(0,0,0,0.55);
}

.portfolio-book-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  padding: clamp(1.4rem, 4vw, 3rem);
  border-right: 1px solid rgba(255,255,255,0.08);
}

.portfolio-book-info h3 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  line-height: 1.04;
}

.portfolio-modal-type,
.portfolio-modal-goal {
  margin: 0;
}

.portfolio-modal-type {
  color: var(--primary);
  font-weight: 800;
}

.portfolio-modal-goal {
  color: var(--muted);
  line-height: 1.7;
}

.portfolio-site-link[hidden] {
  display: none;
}

.portfolio-book-pages {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  padding: clamp(1rem, 3vw, 2.5rem);
  background: radial-gradient(circle at 50% 15%, rgba(255,255,255,0.08), transparent 34%);
}

.portfolio-modal-figure {
  width: min(100%, 760px);
  margin: 0;
}

.portfolio-modal-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.11);
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(0,0,0,0.42);
  user-select: none;
  -webkit-user-drag: none;
}

.portfolio-modal-figure figcaption {
  min-height: 1.5rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
}

.portfolio-modal-btn {
  position: absolute;
  z-index: 3;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
  background: rgba(12,12,16,0.82);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  transition: transform 0.24s ease, background 0.24s ease, border-color 0.24s ease;
}

.portfolio-modal-btn:hover {
  border-color: rgba(192,20,26,0.44);
  background: rgba(192,20,26,0.18);
  transform: translateY(-2px);
}

.portfolio-modal-btn:disabled {
  cursor: default;
  opacity: 0.45;
}

.portfolio-modal-close {
  top: 1rem;
  right: 1rem;
}

.portfolio-modal-prev {
  left: 1rem;
}

.portfolio-modal-next {
  right: 1rem;
}

.portfolio-modal-count {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  gap: 0.25rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  max-width: 1040px;
  margin: 0 auto 2.5rem;
}

.proof-card {
  min-height: 190px;
  padding: clamp(1.25rem, 2vw, 1.7rem);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)),
    rgba(14,14,19,0.78);
}

.proof-label {
  margin: 0 0 0.75rem;
  color: var(--primary);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-card h3 {
  margin: 0 0 0.75rem;
  color: var(--text);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.proof-card p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

/* METHOD: 3 étapes */
/* REVIEWS: Short proof block */
.reviews-section {
  padding: 7rem 0;
  background:
    radial-gradient(circle at 14% 20%, rgba(192,20,26,0.14), transparent 24%),
    radial-gradient(circle at 88% 72%, rgba(240,171,119,0.09), transparent 26%),
    linear-gradient(180deg, rgba(9,9,13,0.98), rgba(15,16,22,0.98));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.reviews-header {
  max-width: 740px;
  margin: 0 auto 3rem;
  text-align: center;
}

.reviews-header h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.75rem, 5vw, 2.65rem);
  line-height: 1.16;
}

.reviews-header p:not(.portfolio-kicker) {
  max-width: 580px;
  margin: 1rem auto 0;
  color: var(--muted);
  line-height: 1.7;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.review-card {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 1rem;
  min-height: 260px;
  padding: clamp(1rem, 2vw, 1.35rem);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)),
    rgba(18,18,24,0.82);
  box-shadow: 0 22px 70px rgba(0,0,0,0.24);
}

.review-avatar {
  width: 84px;
  height: 84px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 12px 28px rgba(0,0,0,0.28);
}

.review-content {
  min-width: 0;
}

.review-stars {
  margin: 0 0 0.55rem;
  color: #ffd36d;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.review-card h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.05rem;
}

.review-job {
  margin: 0.18rem 0 0.85rem;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.review-card p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.method-section {
  padding: 8rem 0;
  background: var(--bg-elev);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.method-section h2 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin: 0 0 4rem 0;
  color: var(--text);
}

.immersive-method {
  --primary: var(--accent);
  --primary-2: var(--accent-2);
  --text: var(--ink);
  --muted: var(--ink-muted);
  --bg-elev: var(--bg-2);
  --state-1-opacity: 1;
  --state-1-y: 0px;
  --state-2-opacity: 0;
  --state-2-y: 40px;
  --state-3-opacity: 0;
  --state-3-y: 40px;
  position: relative;
  min-height: 220vh;
  padding: 0;
  overflow: clip;
  background:
    linear-gradient(180deg, rgba(6,8,18,0.82), rgba(13,19,35,0.95)),
    radial-gradient(circle at 50% 40%, rgba(240,171,119,0.10), transparent 38%),
    var(--bg-elev, var(--bg-2));
}

.method-parallax {
  position: absolute;
  inset: -10vh 0;
  pointer-events: none;
  opacity: 0.6;
  transform: translate3d(0, var(--method-bg-y, 0px), 0);
  background:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: linear-gradient(180deg, transparent, black 22%, black 78%, transparent);
  transition: transform 0.12s linear;
  will-change: transform;
}

.method-sticky {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 2rem) 0 4rem;
}

.method-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  min-height: min(720px, calc(100vh - var(--header-height) - 4rem));
}

.method-stage-intro {
  max-width: 420px;
}

.method-kicker {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--primary, var(--accent));
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.method-stage-intro h2 {
  text-align: left;
  margin: 0 0 1.25rem 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
}

.method-stage-intro p {
  max-width: 36rem;
  color: var(--muted, var(--ink-muted));
}

.method-state-wrap {
  position: relative;
  min-height: 320px;
}

.method-state {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transform: translate3d(0, 40px, 0);
  transition:
    opacity 900ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  will-change: opacity, transform;
}

.method-state .method-grid {
  width: 100%;
}

.method-state[data-immersive-state="1"] {
  opacity: var(--state-1-opacity);
  transform: translate3d(0, var(--state-1-y), 0);
}

.method-state[data-immersive-state="2"] {
  opacity: var(--state-2-opacity);
  transform: translate3d(0, var(--state-2-y), 0);
}

.method-state[data-immersive-state="3"] {
  opacity: var(--state-3-opacity);
  transform: translate3d(0, var(--state-3-y), 0);
}

.method-state.is-active {
  pointer-events: auto;
}

.method-scroll-indicator {
  display: flex;
  gap: 0.55rem;
  margin-top: 2rem;
}

.method-scroll-indicator span {
  width: 2.5rem;
  height: 2px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  transition: background 700ms ease, transform 700ms ease;
}

.method-scroll-indicator span.is-active {
  background: var(--primary, var(--accent));
  transform: scaleX(1.15);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.method-card {
  text-align: center;
  padding: 2rem;
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 8px;
  transition: transform 0.3s ease, border-color 0.3s ease;
  animation: fadeInUp 0.6s ease-out;
}

.method-card[data-reveal-delay="100"] {
  animation-delay: 0.1s;
}

.method-card[data-reveal-delay="200"] {
  animation-delay: 0.2s;
}

.method-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.method-number {
  display: inline-block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1rem;
  opacity: 0.8;
}

.method-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  color: var(--text);
}

.method-card p {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

/* CTA FINAL */
.cta-section {
  padding: 6rem 0;
  background: var(--bg);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.cta-final {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease-out;
}

.cta-final h2 {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 1.5rem 0;
  color: var(--text);
}

.cta-final p {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 2.5rem 0;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  box-shadow: none;
}

.btn-secondary:hover {
  background: rgba(192,20,26,0.1);
  box-shadow: 0 0 20px rgba(192,20,26,0.25);
}

/* ANIMATIONS */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* DATA REVEAL: Intersection Observer animations */
[data-reveal] {
  animation: fadeInUp 0.8s ease-out forwards;  
  opacity: 0;
}

[data-reveal-delay="100"] {
  animation-delay: 0.1s;
}

[data-reveal-delay="200"] {
  animation-delay: 0.2s;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-title {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  .hero-ctas {
    gap: 0.75rem;
  }

  .pillars-grid {
    gap: 2rem;
    padding: 0 1rem;
  }

  .pillar {
    padding: 1.5rem 0.5rem;
  }

  .offers-immersive {
    height: auto;
    min-height: auto;
    padding: 4.5rem 0;
  }

  .offers-bg,
  .offers-visual,
  .offers-progress {
    display: none;
  }

  .offers-sticky {
    position: relative;
    min-height: auto;
    padding: 0;
  }

  .offers-stage {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .offers-heading {
    max-width: none;
  }

  .offers-heading h2 {
    font-size: clamp(2rem, 8vw, 2.75rem);
  }

  .offers-panel {
    min-height: auto;
    display: grid;
    gap: 1rem;
  }

  .offers-panel::before {
    content: none;
  }

  .offers-state,
  .offers-state[data-offer-state] {
    position: relative;
    inset: auto;
    min-height: auto;
    padding: 1.35rem;
    border-radius: 8px;
    border: 1px solid rgba(176,184,202,0.13);
    background:
      linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02)),
      rgba(8,13,28,0.72);
    box-shadow: 0 18px 44px rgba(0,0,0,0.18);
    opacity: 1;
    transform: translateY(18px);
    pointer-events: auto;
    transition:
      opacity 520ms cubic-bezier(0.22, 1, 0.36, 1),
      transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .offers-state.is-visible,
  .offers-state.is-active {
    opacity: 1;
    transform: translateY(0);
  }

  .offers-state:not(.is-visible):not(.is-active) {
    opacity: 0.82;
  }

  .offers-state h3 {
    max-width: none;
    font-size: clamp(1.55rem, 7vw, 2.15rem);
  }

  .offers-proof div {
    grid-template-columns: 1fr;
    gap: 0.22rem;
  }

  .local-segments {
    gap: 1.5rem;
    flex-direction: column;
  }

  .segment-link {
    width: 100%;
    text-align: center;
  }

  .portfolio-header {
    margin-bottom: 2.75rem;
  }

  .portfolio-folder {
    min-height: auto;
    padding: 1rem;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .portfolio-folder::before,
  .portfolio-folder::after {
    display: none;
  }

  .portfolio-folder-tab {
    display: none;
  }

  .portfolio-stack {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    min-height: auto;
    perspective: none;
  }

  .portfolio-project,
  .portfolio-project:hover,
  .portfolio-project:focus-within {
    position: relative;
    bottom: auto;
    left: auto;
    width: 100%;
    transform: none;
  }

  .portfolio-project-btn {
    min-height: auto;
    display: grid;
    grid-template-columns: 0.9fr 1fr;
    gap: 1rem;
    align-items: stretch;
    padding: 0.85rem;
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.018));
  }

  .portfolio-shot {
    position: relative;
    aspect-ratio: 4 / 3;
  }

  .portfolio-shot-clone {
    display: none;
  }

  .proof-grid {
    grid-template-columns: 1fr;
    margin-bottom: 2rem;
  }

  .portfolio-summary-grid {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 0;
  }

  .portfolio-summary-card {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .reviews-section {
    padding: 4rem 0;
  }

  .reviews-header {
    margin-bottom: 2rem;
  }

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

  .portfolio-book {
    grid-template-columns: 1fr;
    min-height: calc(100vh - 1rem);
  }

  .portfolio-book-info {
    justify-content: flex-start;
    padding: 1.1rem 4.5rem 1rem 1.1rem;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .portfolio-book-info h3 {
    font-size: clamp(1.45rem, 8vw, 2rem);
  }

  .portfolio-book-pages {
    align-content: center;
    padding: 4rem 1rem 3.25rem;
  }

  .portfolio-modal-prev {
    left: 1rem;
    bottom: 1rem;
    top: auto;
  }

  .portfolio-modal-next {
    right: 1rem;
    bottom: 1rem;
    top: auto;
  }

  .portfolio-modal-count {
    right: 50%;
    bottom: 1.9rem;
    transform: translateX(50%);
  }

  .method-grid {
    gap: 1.5rem;
  }

  .immersive-method {
    min-height: auto;
    padding: 4rem 0;
    overflow: hidden;
  }

  .method-sticky {
    position: relative;
    min-height: auto;
    align-items: stretch;
    padding: 0;
  }

  .method-stage {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    min-height: auto;
  }

  .method-stage-intro {
    max-width: none;
  }

  .method-stage-intro h2 {
    text-align: left;
    font-size: clamp(1.85rem, 8vw, 2.6rem);
  }

  .method-stage-intro p {
    font-size: 0.98rem;
  }

  .method-state-wrap {
    min-height: auto;
  }

  .method-state {
    position: relative;
    inset: auto;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto;
    transition: none;
  }

  .method-state:not([data-immersive-state="1"]) {
    display: none;
  }

  .method-parallax,
  .method-scroll-indicator {
    display: none;
  }

  .method-scroll-indicator {
    margin-top: 1.25rem;
  }

  .method-card {
    padding: 1.5rem;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-premium {
    min-height: 100vh;
    min-height: 100svh;
  }

  .hero-title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    letter-spacing: -1px;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
  }

  .hero-ctas {
    gap: 0.5rem;
  }

  .pillars-section {
    padding: 4rem 0;
  }

  .pillars-grid {
    gap: 1.5rem;
    grid-template-columns: 1fr;
  }

  .pillar {
    padding: 1rem;
  }

  .offers-immersive {
    height: auto;
    padding: 3.8rem 0;
  }

  .offers-state,
  .offers-state[data-offer-state] {
    padding: 1.1rem;
  }

  .local-section {
    padding: 4rem 0;
  }

  .projects-section {
    padding: 4rem 0;
  }

  .projects-header h2 {
    font-size: 1.5rem;
  }

  .portfolio-header p:not(.portfolio-kicker) {
    font-size: 0.95rem;
  }

  .portfolio-project-btn {
    grid-template-columns: 1fr;
  }

  .portfolio-shot {
    aspect-ratio: 16 / 10;
  }

  .portfolio-project-name {
    font-size: 1rem;
  }

  .portfolio-summary-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-summary-card {
    min-height: auto;
  }

  .review-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .review-avatar {
    width: 76px;
    height: 76px;
  }

  .method-section {
    padding: 4rem 0;
  }

  .immersive-method {
    padding: 4rem 0;
  }

  .method-section h2 {
    margin-bottom: 2rem;
    font-size: 1.5rem;
  }

  .method-stage-intro h2 {
    margin-bottom: 1rem;
    font-size: clamp(1.85rem, 8vw, 2.4rem);
  }

  .method-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .method-state-wrap {
    min-height: auto;
  }

  .cta-section {
    padding: 4rem 0;
  }

  .cta-final h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
  }

  .cta-final p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .immersive-method {
    min-height: auto;
    padding: 4rem 0;
  }

  .offers-immersive {
    height: auto;
    min-height: auto;
    padding: 4rem 0;
  }

  .offers-sticky {
    position: relative;
    min-height: auto;
    padding: 0;
  }

  .offers-stage {
    grid-template-columns: 1fr;
  }

  .offers-panel {
    min-height: auto;
    display: grid;
    gap: 1rem;
  }

  .offers-state,
  .offers-state[data-offer-state] {
    position: relative;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto;
    transition: none;
  }

  .offers-bg,
  .offers-visual,
  .offers-progress {
    display: none;
  }

  .method-sticky {
    position: relative;
    min-height: auto;
    padding: 0;
  }

  .method-stage {
    display: block;
  }

  .method-state-wrap {
    min-height: auto;
  }

  .method-state {
    position: relative;
    opacity: 1 !important;
    transform: none !important;
    margin-top: 1.5rem;
    transition: none;
  }

  .method-parallax,
  .method-scroll-indicator {
    display: none;
  }

  .portfolio-project,
  .portfolio-project:hover,
  .portfolio-project:focus-within,
  .portfolio-project-btn,
  .portfolio-shot,
  .portfolio-shot img,
  .portfolio-shot-clone,
  .portfolio-modal-btn {
    transform: none !important;
    transition: none !important;
  }

}