/* ==========================================================
   NOTRE APPROCHE
   ========================================================== */

.home-approach {
  --approach-lower-reveal: 0;
  --approach-track-shift: 0;
  --approach-panel-max-height:
    max(
      280px,
      min(
        46svh,
        calc(100svh - var(--site-header-offset) - 320px)
      )
    );
  --approach-panel-height:
    calc(var(--approach-lower-reveal) * var(--approach-panel-max-height));
  --approach-intro-shift: calc(var(--approach-lower-reveal) * -8svh);

  position: relative;
  z-index: 2;

  overflow: visible;
  margin-top: 0;

  color: var(--studio-white);
  background: var(--studio-black);

  transform: none;
}

.home-approach__viewport {
  position: sticky;
  top: 0;

  height: 100vh;
  min-height: 100vh;
  min-height: 100svh;

  overflow: hidden;
}

/* ==========================================================
   INTRODUCTION
   ========================================================== */

.home-approach__intro {
  position: absolute;
  inset: 0 0 auto;
  z-index: 2;

  height: calc(100% - var(--approach-panel-height));
  min-height: 0;

  display: flex;
  align-items: center;

  overflow: hidden;
  padding:
    calc(var(--site-header-offset) + clamp(20px, 2.4vw, 36px))
    0
    clamp(24px, 2.5vw, 36px);

  background: #05080c;

  box-shadow:
    0 -1px 0 rgba(255, 255, 255, 0.08),
    0 -30px 70px rgba(0, 0, 0, 0.28);

  transform: none;
  transition: height 220ms linear;
}

.home-approach__intro::before {
  content: "";

  position: absolute;
  inset: 0;

  opacity: 0.1;

  background-image:
    linear-gradient(
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px
    );

  background-size: 80px 80px;

  pointer-events: none;
}

.home-approach__intro-inner {
  position: relative;
  z-index: 1;

  width: min(calc(100% - 96px), 1500px);
  height: 100%;
  margin-inline: auto;

  display: grid;
  grid-template-columns:
    90px
    minmax(0, 1.25fr)
    minmax(340px, 0.75fr);

  align-items: end;
  gap: clamp(50px, 6vw, 110px);
}

.home-approach__side-heading {
  align-self: stretch;

  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;

  padding-top: 10px;

  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.home-approach__section-number {
  color: rgba(255, 255, 255, 0.16);

  font-size: clamp(54px, 6vw, 90px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.08em;
}

.home-approach__vertical-label {
  margin-top: auto;

  color: rgba(255, 255, 255, 0.62);

  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;

  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.home-approach__intro-title-wrap {
  padding-top: clamp(24px, 2.8vw, 40px);

  transform: translateY(var(--approach-intro-shift));
  transition: transform 220ms linear;
}

.home-approach__eyebrow {
  margin: 0 0 18px;

  color: var(--studio-red);

  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.home-approach__title {
  max-width: 820px;
  margin: 0;

  color: var(--studio-white);

  font-size: clamp(54px, 7vw, 118px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.home-approach__title span {
  display: block;

  color: transparent;

  -webkit-text-stroke:
    1px
    rgba(255, 255, 255, 0.58);
}

.home-approach__intro-content {
  align-self: center;

  padding-bottom: 0;

  transform: translateY(calc(var(--approach-intro-shift) * 0.72));
  transition: transform 220ms linear;
}

.home-approach__lead {
  margin: 0;

  color: var(--studio-white);

  font-size: clamp(23px, 2.2vw, 34px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.home-approach__text {
  max-width: 560px;
  margin: 30px 0 0;

  color: rgba(255, 255, 255, 0.65);

  font-size: 16px;
  line-height: 1.8;
}

.home-approach__link {
  position: relative;

  width: fit-content;

  margin-top: 34px;
  padding: 12px 0;

  display: inline-flex;
  align-items: center;
  gap: 30px;

  color: var(--studio-white);

  font-size: 14px;
  font-weight: 600;
}

.home-approach__link::after {
  content: "";

  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;

  height: 2px;

  background: var(--studio-red);

  transform-origin: left;
  transition: transform 250ms ease;
}

.home-approach__link svg {
  width: 20px;
  height: 20px;

  transition: transform 250ms ease;
}

.home-approach__link:hover::after,
.home-approach__link:focus-visible::after {
  transform: scaleX(0.32);
}

.home-approach__link:hover svg,
.home-approach__link:focus-visible svg {
  transform: translateX(7px);
}

/* ==========================================================
   ÉTAPES
   ========================================================== */

.home-approach-step {
  position: relative;
  top: auto;
  isolation: isolate;

  min-height: 100vh;
  min-height: 100svh;

  display: flex;
  align-items: center;

  overflow: hidden;

  border-top: 1px solid rgba(255, 255, 255, 0.13);

  box-shadow:
    0 -1px 0 rgba(255, 255, 255, 0.1),
    0 -35px 80px rgba(0, 0, 0, 0.34);

  transform: none;
}

.home-approach__steps-stage {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 4;

  height: var(--approach-panel-height);

  overflow: hidden;
  pointer-events: none;
  transition: height 220ms linear;
}

.home-approach__steps-panel {
  width: 100%;
  height: 100%;

  overflow: hidden;
}

.home-approach__steps-track {
  width: 300%;
  height: 100%;

  display: flex;

  transform: translateX(calc(var(--approach-track-shift) * -33.333333%));
  transition: transform 220ms linear;
}

.home-approach__steps-track .home-approach-step {
  width: 33.333333%;
  min-height: 100%;
  height: 100%;

  flex-shrink: 0;
}

.home-approach__steps-track .home-approach-step__inner {
  width: min(calc(100% - 96px), 1500px);
  min-height: 100%;

  padding: clamp(34px, 3.2vw, 56px) 0;
}

.home-approach__steps-track .home-approach-step__title {
  font-size: clamp(50px, 5.6vw, 92px);
}

.home-approach__steps-track .home-approach-step__description {
  margin-top: 22px;

  font-size: clamp(14px, 1vw, 17px);
  line-height: 1.45;
}

.home-approach__steps-track .home-approach-step__tags {
  margin-top: 22px;
}

.home-approach__steps-track .home-approach-step__statement {
  align-self: center;

  padding: 22px 0 0 28px;
}

.home-approach__steps-track .home-approach-step__statement p {
  font-size: clamp(18px, 1.7vw, 28px);
}

.home-approach-step--understand {
  z-index: 3;
  background: #080c11;
}

.home-approach-step--build {
  z-index: 4;
  background: var(--studio-red);
}

.home-approach-step--evolve {
  z-index: 5;

  background:
    radial-gradient(
      circle at 80% 30%,
      rgba(207, 1, 14, 0.22),
      transparent 30%
    ),
    var(--studio-black);
}

.home-approach__intro::after,
.home-approach-step::after {
  content: "";

  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;

  height: 1px;

  background: rgba(255, 255, 255, 0.15);

  pointer-events: none;
}

.home-approach-step--build::after {
  background: rgba(5, 8, 12, 0.22);
}

/* Grand mot en arrière-plan */

.home-approach-step__background {
  position: absolute;
  inset: 0;
  z-index: -1;

  display: flex;
  align-items: center;

  overflow: hidden;

  pointer-events: none;
}

.home-approach-step__background span {
  display: block;

  margin-left: -1vw;

  color: rgba(255, 255, 255, 0.035);

  font-size: clamp(140px, 21vw, 380px);
  font-weight: 800;
  line-height: 0.75;
  letter-spacing: -0.1em;
  white-space: nowrap;
}

.home-approach-step--build .home-approach-step__background span {
  color: rgba(0, 0, 0, 0.08);
}

/* Contenu */

.home-approach-step__inner {
  width: min(calc(100% - 96px), 1500px);
  margin-inline: auto;

  display: grid;
  grid-template-columns:
    130px
    minmax(0, 1fr)
    minmax(300px, 0.55fr);

  align-items: center;
  gap: clamp(50px, 7vw, 130px);

  padding: 130px 0;
}

.home-approach-step__number {
  align-self: start;

  color: rgba(255, 255, 255, 0.17);

  font-size: clamp(72px, 8vw, 130px);
  font-weight: 700;
  line-height: 0.8;
  letter-spacing: -0.08em;
}

.home-approach-step__eyebrow {
  margin: 0 0 20px;

  color: var(--studio-red);

  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.home-approach-step--build .home-approach-step__eyebrow {
  color: var(--studio-black);
}

.home-approach-step__title {
  margin: 0;

  color: var(--studio-white);

  font-size: clamp(68px, 10vw, 140px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.08em;
}

.home-approach-step--build .home-approach-step__title,
.home-approach-step--build .home-approach-step__description,
.home-approach-step--build .home-approach-step__statement {
  color: var(--studio-black);
}

.home-approach-step__description {
  max-width: 650px;
  margin: 38px 0 0;

  color: rgba(255, 255, 255, 0.68);

  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.7;
}

.home-approach-step--build .home-approach-step__description {
  color: rgba(5, 8, 12, 0.72);
}

/* Tags */

.home-approach-step__tags {
  margin: 42px 0 0;
  padding: 0;

  display: flex;
  flex-wrap: wrap;
  gap: 12px;

  list-style: none;
}

.home-approach-step__tags li {
  padding: 10px 16px;

  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 12px;

  color: rgba(255, 255, 255, 0.82);

  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.home-approach-step--build .home-approach-step__tags li {
  border-color: rgba(5, 8, 12, 0.3);

  color: rgba(5, 8, 12, 0.8);
}

/* Citation latérale */

.home-approach-step__statement {
  position: relative;

  align-self: end;

  padding: 36px 0 10px 34px;

  border-left: 1px solid rgba(255, 255, 255, 0.34);

  color: var(--studio-white);
}

.home-approach-step--build .home-approach-step__statement {
  border-left-color: rgba(5, 8, 12, 0.3);
}

.home-approach-step__statement::before {
  content: "“";

  position: absolute;
  top: -16px;
  left: 24px;

  color: var(--studio-red);

  font-family: Georgia, serif;
  font-size: 76px;
  line-height: 1;
}

.home-approach-step--build .home-approach-step__statement::before {
  color: var(--studio-black);
}

.home-approach-step__statement p {
  max-width: 390px;
  margin: 0;

  font-size: clamp(24px, 2.5vw, 38px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.035em;
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */

@media (max-width: 1100px) {
  .home-approach__intro-inner {
    grid-template-columns: 60px 1fr;
  }

  .home-approach__intro-content {
    grid-column: 2;

    max-width: 720px;
    padding-bottom: 0;
  }

  .home-approach-step__inner {
    grid-template-columns: 90px 1fr;
  }

  .home-approach-step__statement {
    grid-column: 2;

    max-width: 650px;
    margin-top: 30px;
  }
}

@media (max-width: 1540px) and (min-width: 768px) {
  .home-approach {
    --approach-panel-max-height:
      max(
        250px,
        min(
          40svh,
          calc(100svh - var(--site-header-offset) - 340px)
        )
      );
  }

  .home-approach__intro {
    padding:
      calc(var(--site-header-offset) + clamp(18px, 2vw, 28px))
      0
      clamp(18px, 2vw, 28px);
  }

  .home-approach__intro-inner {
    width: min(calc(100% - 72px), 1360px);
    grid-template-columns:
      72px
      minmax(0, 1.1fr)
      minmax(300px, 0.72fr);
    align-items: end;
    gap: clamp(36px, 4vw, 72px);
  }

  .home-approach__intro-title-wrap {
    padding-top: clamp(14px, 1.8vw, 26px);
  }

  .home-approach__eyebrow {
    margin-bottom: 14px;
  }

  .home-approach__title {
    max-width: 700px;
    font-size: clamp(48px, 5.8vw, 96px);
  }

  .home-approach__lead {
    font-size: clamp(20px, 1.95vw, 29px);
  }

  .home-approach__text {
    margin-top: 22px;
    font-size: 15px;
    line-height: 1.7;
  }

  .home-approach__link {
    margin-top: 26px;
  }

  .home-approach__steps-track .home-approach-step__inner,
  .home-approach-step__inner {
    width: min(calc(100% - 72px), 1360px);
  }

  .home-approach-step__inner {
    grid-template-columns:
      104px
      minmax(0, 1fr)
      minmax(250px, 0.5fr);
    gap: clamp(34px, 4vw, 72px);
    padding: 92px 0;
  }

  .home-approach-step__number {
    font-size: clamp(64px, 6.2vw, 108px);
  }

  .home-approach__steps-track .home-approach-step__title,
  .home-approach-step__title {
    font-size: clamp(48px, 5.1vw, 88px);
  }

  .home-approach__steps-track .home-approach-step__description,
  .home-approach-step__description {
    font-size: clamp(14px, 0.95vw, 18px);
    line-height: 1.55;
  }

  .home-approach-step__tags {
    margin-top: 28px;
    gap: 10px;
  }

  .home-approach-step__tags li {
    padding: 9px 14px;
  }

  .home-approach__steps-track .home-approach-step__statement,
  .home-approach-step__statement {
    padding: 24px 0 0 24px;
  }

  .home-approach__steps-track .home-approach-step__statement p,
  .home-approach-step__statement p {
    font-size: clamp(17px, 1.45vw, 24px);
  }
}

@media (max-width: 1366px) and (min-width: 768px), (max-height: 860px) and (min-width: 768px) {
  .home-approach {
    --approach-panel-max-height:
      max(
        220px,
        min(
          36svh,
          calc(100svh - var(--site-header-offset) - 360px)
        )
      );
    --approach-intro-shift: calc(var(--approach-lower-reveal) * -5svh);
  }

  .home-approach__intro-inner {
    align-items: end;
  }

  .home-approach__title {
    max-width: 620px;
    font-size: clamp(44px, 5.1vw, 84px);
  }

  .home-approach__lead {
    font-size: clamp(18px, 1.75vw, 26px);
    line-height: 1.25;
  }

  .home-approach__text {
    max-width: 500px;
    margin-top: 18px;
    font-size: 14px;
    line-height: 1.62;
  }

  .home-approach__link {
    margin-top: 22px;
    padding: 10px 0;
    gap: 22px;
  }
}

@media (min-width: 1600px) and (min-width: 768px) and (max-height: 1080px) {
  .home-approach {
    --approach-panel-max-height:
      max(
        220px,
        min(
          33svh,
          calc(100svh - var(--site-header-offset) - 390px)
        )
      );
    --approach-intro-shift: calc(var(--approach-lower-reveal) * -4svh);
  }

  .home-approach__intro {
    padding:
      calc(var(--site-header-offset) + clamp(16px, 1.4vw, 24px))
      0
      clamp(18px, 1.6vw, 24px);
  }

  .home-approach__intro-inner {
    width: min(calc(100% - 88px), 1480px);
    grid-template-columns:
      70px
      minmax(0, 1fr)
      minmax(320px, 0.68fr);
    align-items: center;
    gap: clamp(34px, 3.5vw, 76px);
  }

  .home-approach__intro-title-wrap {
    padding-top: 10px;
  }

  .home-approach__title {
    max-width: 700px;
    font-size: clamp(46px, 4.9vw, 92px);
  }

  .home-approach__lead {
    font-size: clamp(19px, 1.8vw, 28px);
    line-height: 1.24;
  }

  .home-approach__text {
    max-width: 500px;
    margin-top: 18px;
    font-size: 15px;
    line-height: 1.65;
  }

  .home-approach__link {
    margin-top: 24px;
  }

  .home-approach__steps-track .home-approach-step__inner,
  .home-approach-step__inner {
    width: min(calc(100% - 88px), 1480px);
  }

  .home-approach-step__inner {
    grid-template-columns:
      96px
      minmax(0, 1fr)
      minmax(240px, 0.48fr);
    gap: clamp(30px, 3.2vw, 64px);
    padding: 78px 0;
  }

  .home-approach-step__number {
    font-size: clamp(58px, 5.2vw, 96px);
  }

  .home-approach__steps-track .home-approach-step__title,
  .home-approach-step__title {
    font-size: clamp(44px, 4.8vw, 82px);
  }

  .home-approach__steps-track .home-approach-step__description,
  .home-approach-step__description {
    font-size: clamp(14px, 0.95vw, 17px);
    line-height: 1.55;
  }

  .home-approach__steps-track .home-approach-step__statement,
  .home-approach-step__statement {
    padding: 22px 0 0 22px;
  }

  .home-approach__steps-track .home-approach-step__statement p,
  .home-approach-step__statement p {
    font-size: clamp(17px, 1.3vw, 22px);
  }

  .home-approach-step__background span {
    font-size: clamp(130px, 17vw, 300px);
  }
}

@media (max-width: 767px) {
  .home-approach__viewport {
    position: relative;
    top: auto;

    height: auto;
    min-height: 0;

    overflow: visible;
  }

  .home-approach__intro {
    position: relative;
    inset: auto;
    top: 0;
    height: auto;
    min-height: 100svh;
    align-items: center;

    padding: 110px 0 90px;
  }

  .home-approach__steps-stage {
    position: relative;
    inset: auto;
    height: auto;

    display: block;

    overflow: visible;
    pointer-events: auto;
  }

  .home-approach__steps-panel {
    height: auto;

    transform: none;
  }

  .home-approach__steps-track {
    width: auto;
    height: auto;

    display: block;

    transform: none;
  }

  .home-approach__steps-track .home-approach-step {
    width: auto;
    min-height: 100svh;
    height: auto;
  }

  .home-approach__intro-inner,
  .home-approach-step__inner {
    width: calc(100% - 40px);

    display: block;
  }

  .home-approach__intro-inner {
    height: auto;
  }

  .home-approach__intro-title-wrap,
  .home-approach__intro-content {
    transform: none;
  }

  .home-approach__side-heading {
    display: none;
  }

  .home-approach__title {
    font-size: clamp(50px, 15vw, 76px);
    line-height: 0.92;
  }

  .home-approach__intro-content {
    margin-top: 56px;
  }

  .home-approach__lead {
    font-size: 25px;
  }

  .home-approach-step {
    top: 0;
    min-height: 100svh;
    align-items: flex-start;
  }

  .home-approach-step__inner {
    padding: 110px 0 90px;
  }

  .home-approach-step__number {
    margin-bottom: 52px;

    font-size: 70px;
  }

  .home-approach-step__title {
    font-size: clamp(60px, 10vw, 100px);
    line-height: 0.86;
  }

  .home-approach-step__description {
    margin-top: 30px;
  }

  .home-approach-step__statement {
    margin-top: 70px;
  }

  .home-approach-step__background {
    align-items: flex-start;
    padding-top: 150px;
  }

  .home-approach-step__background span {
    font-size: clamp(75px, 25vw, 115px);
  }
}