:root {
  --bg: #06111e;
  --bg-dark: #030c16;
  --green: #43e5b1;
  --white: #f5f7fa;
  --text: #aebccc;
  --muted: #718397;
  --border: rgba(125, 169, 198, 0.14);
}


* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}


html {
  scroll-behavior: smooth;
}


body {
  min-width: 320px;
  overflow-x: hidden;

  font-family: "DM Sans", sans-serif;
  color: var(--white);

  background:
    radial-gradient(
      circle at 85% 8%,
      rgba(48, 175, 173, 0.09),
      transparent 25%
    ),
    radial-gradient(
      circle at 8% 42%,
      rgba(67, 229, 177, 0.035),
      transparent 25%
    ),
    linear-gradient(
      180deg,
      #06111e 0%,
      #071522 45%,
      #050f1a 100%
    );
}


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


/* ================================
   NAVIGATION
================================ */

.navbar {
  height: 102px;
}


.navbar-inner {
  width: min(1380px, calc(100% - 70px));
  height: 100%;

  margin: auto;

  display: grid;
  grid-template-columns: 230px 1fr 240px;

  align-items: center;
}


.brand {
  width: 205px;
}


.brand img {
  width: 205px;
  display: block;
}


.nav-links {
  display: flex;
  justify-content: center;

  gap: 38px;

  color: #bdc8d5;
  font-size: 14px;
}


.nav-links a {
  transition: color .2s ease;
}


.nav-links a:hover,
.active-link {
  color: var(--green) !important;
}


.nav-cta {
  justify-self: end;

  height: 51px;
  padding: 0 21px;

  display: inline-flex;
  align-items: center;

  border: 1px solid rgba(67, 229, 177, .7);
  border-radius: 14px;

  font-weight: 600;
}


/* ================================
   HERO
================================ */

.about-hero {
  width: min(1320px, calc(100% - 70px));

  min-height: 650px;

  margin: auto;

  padding: 95px 0 105px;

  display: grid;
  grid-template-columns: 1.05fr .95fr;

  gap: 110px;

  align-items: center;
}


.hero-copy h1 {
  font-family: "Manrope", sans-serif;

  font-size: clamp(58px, 5.3vw, 87px);

  line-height: 1.01;
  letter-spacing: -.058em;
}


.hero-copy h1 span {
  color: var(--green);
}


.hero-copy p {
  max-width: 600px;

  margin-top: 30px;

  color: var(--text);

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


/* VISUEL HERO */

.hero-visual {
  min-height: 390px;

  position: relative;

  display: flex;
  flex-direction: column;
  justify-content: space-between;

  padding: 25px 0;
}


.visual-line {
  position: absolute;

  top: 60px;
  bottom: 60px;
  left: 30px;

  width: 1px;

  background:
    linear-gradient(
      180deg,
      transparent,
      rgba(67, 229, 177, .4),
      rgba(67, 229, 177, .12),
      transparent
    );
}


.visual-item {
  min-height: 92px;

  padding: 19px 22px;

  display: grid;
  grid-template-columns: 55px 1fr;

  align-items: center;

  position: relative;

  border: 1px solid rgba(111, 170, 194, .16);
  border-radius: 15px;

  background: rgba(8, 26, 42, .62);

  backdrop-filter: blur(15px);

  transition:
    transform .25s ease,
    border-color .25s ease;
}


.visual-item:hover {
  transform: translateX(-6px);

  border-color: rgba(67, 229, 177, .32);
}


.visual-item > span {
  width: 36px;
  height: 36px;

  display: grid;
  place-items: center;

  border-radius: 10px;

  color: var(--green);

  background: rgba(67, 229, 177, .06);

  font-size: 10px;
}


.visual-item strong {
  display: block;

  font-family: "Manrope", sans-serif;

  font-size: 15px;
}


.visual-item small {
  grid-column: 2;

  margin-top: -22px;

  color: #6f8296;

  font-size: 10px;
}


.item-two {
  margin-left: 45px;
}


.item-three {
  margin-left: 15px;
}


/* ================================
   VISION
================================ */

.vision-section {
  width: min(1180px, calc(100% - 70px));

  margin: auto;

  padding: 125px 0;

  display: grid;
  grid-template-columns: .32fr 1fr;

  gap: 70px;

  border-top: 1px solid var(--border);
}


.vision-label span,
.section-label {
  color: var(--green);

  font-size: 10px;

  font-weight: 700;

  letter-spacing: .18em;
}


.vision-content {
  display: grid;
  grid-template-columns: 1fr .8fr;

  gap: 75px;
}


.vision-content h2 {
  font-family: "Manrope", sans-serif;

  font-size: clamp(39px, 4vw, 62px);

  line-height: 1.08;
  letter-spacing: -.05em;
}


.vision-content h2 span {
  color: var(--green);
}


.vision-text p {
  color: #899bae;

  font-size: 14px;

  line-height: 1.8;
}


.vision-text p + p {
  margin-top: 17px;
}


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

.approach-section {
  width: min(1180px, calc(100% - 70px));

  margin: auto;

  padding: 130px 0;
}


.approach-heading {
  max-width: 720px;

  margin-bottom: 65px;
}


.approach-heading h2 {
  margin-top: 19px;

  font-family: "Manrope", sans-serif;

  font-size: clamp(43px, 4.4vw, 68px);

  line-height: 1.06;
  letter-spacing: -.05em;
}


.approach-heading p {
  max-width: 630px;

  margin-top: 21px;

  color: #8597aa;

  line-height: 1.78;

  font-size: 14px;
}


.approach-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}


.approach-grid article {
  min-height: 350px;

  padding: 30px;

  position: relative;

  border-right: 1px solid var(--border);

  transition: background .25s ease;
}


.approach-grid article:last-child {
  border-right: none;
}


.approach-grid article:hover {
  background: rgba(67, 229, 177, .025);
}


.approach-number {
  color: rgba(67, 229, 177, .42);

  font-size: 10px;
}


.approach-icon {
  width: 48px;
  height: 48px;

  margin-top: 45px;

  display: grid;
  place-items: center;

  border: 1px solid rgba(67, 229, 177, .24);
  border-radius: 13px;

  color: var(--green);

  background: rgba(67, 229, 177, .04);
}


.approach-grid h3 {
  margin-top: 25px;

  font-family: "Manrope", sans-serif;

  font-size: 20px;

  line-height: 1.3;
}


.approach-grid p {
  margin-top: 14px;

  color: #8193a7;

  font-size: 13px;

  line-height: 1.72;
}


/* ================================
   POSITION
================================ */

.position-section {
  width: min(1180px, calc(100% - 70px));

  margin: auto;

  padding: 85px 0 150px;
}


.position-card {
  padding: 65px;

  display: grid;
  grid-template-columns: 1fr .8fr;

  gap: 90px;

  border: 1px solid rgba(83, 169, 188, .18);

  border-radius: 23px;

  background:
    radial-gradient(
      circle at 90% 10%,
      rgba(67, 229, 177, .06),
      transparent 37%
    ),
    rgba(7, 24, 40, .65);
}


.position-copy h2 {
  margin-top: 18px;

  max-width: 600px;

  font-family: "Manrope", sans-serif;

  font-size: clamp(36px, 3.4vw, 52px);

  line-height: 1.1;

  letter-spacing: -.045em;
}


.position-copy p {
  max-width: 570px;

  margin-top: 22px;

  color: #8597aa;

  font-size: 14px;

  line-height: 1.8;
}


.position-points {
  display: flex;
  flex-direction: column;

  justify-content: center;

  gap: 0;
}


.position-points > div {
  min-height: 64px;

  display: flex;
  align-items: center;

  gap: 15px;

  border-bottom: 1px solid rgba(255, 255, 255, .055);
}


.position-points > div:last-child {
  border-bottom: none;
}


.position-points span {
  width: 7px;
  height: 7px;

  flex: 0 0 7px;

  border-radius: 50%;

  background: var(--green);

  box-shadow: 0 0 13px rgba(67, 229, 177, .45);
}


.position-points p {
  color: #afbdca;

  font-size: 13px;
}


/* ================================
   CTA
================================ */

.final-cta {
  padding: 130px 35px;

  text-align: center;

  border-top: 1px solid rgba(255, 255, 255, .045);

  background:
    radial-gradient(
      circle at center,
      rgba(67, 229, 177, .055),
      transparent 34%
    );
}


.final-cta h2 {
  margin-top: 20px;

  font-family: "Manrope", sans-serif;

  font-size: clamp(47px, 5vw, 76px);

  line-height: 1.04;
  letter-spacing: -.055em;
}


.final-cta h2 span {
  color: var(--green);
}


.final-cta p {
  max-width: 570px;

  margin: 23px auto 0;

  color: #899bad;

  font-size: 14px;

  line-height: 1.75;
}


.final-cta > a {
  height: 55px;

  margin-top: 30px;
  padding: 0 25px;

  display: inline-flex;
  align-items: center;

  border-radius: 13px;

  color: #03150f;

  background: var(--green);

  font-weight: 700;
}


/* ================================
   FOOTER
================================ */

.site-footer {
  padding: 80px 35px 28px;

  border-top: 1px solid rgba(120, 170, 200, .13);

  background: #040e19;
}


.footer-main {
  width: min(1380px, 100%);

  margin: auto;

  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 100px;

  padding-bottom: 65px;
}


.footer-brand {
  max-width: 430px;
}


.footer-brand > a:first-child {
  width: 185px;

  display: block;
}


.footer-brand img {
  width: 185px;

  display: block;
}


.footer-brand p {
  margin-top: 24px;

  color: #8393a6;

  font-size: 14px;
  line-height: 1.7;
}


.instagram-link {
  margin-top: 27px;

  width: fit-content;

  display: flex;

  gap: 8px;

  color: #dce5ed;

  font-size: 13px;
}


.instagram-link span {
  color: #77899d;
}


.footer-links {
  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 70px;
}


.footer-links > div {
  display: flex;
  flex-direction: column;

  align-items: flex-start;

  gap: 13px;
}


.footer-title {
  margin-bottom: 5px;

  color: #64778c;

  font-size: 9px;

  letter-spacing: .16em;

  text-transform: uppercase;
}


.footer-links a,
.footer-location {
  color: #bbc6d2;

  font-size: 13px;
}


.footer-location {
  color: #718397;
}


.footer-bottom {
  width: min(1380px, 100%);

  margin: auto;

  padding-top: 25px;

  border-top: 1px solid rgba(120, 170, 200, .10);

  display: flex;
  justify-content: space-between;

  gap: 30px;

  color: #5f7185;

  font-size: 11px;
}


.footer-bottom div {
  display: flex;

  gap: 24px;
}


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

@media (max-width: 950px) {

  .nav-links {
    display: none;
  }

  .navbar-inner {
    grid-template-columns: 1fr auto;
  }

  .about-hero {
    grid-template-columns: 1fr;

    gap: 55px;
  }

  .hero-visual {
    max-width: 700px;
  }

  .vision-section {
    grid-template-columns: 1fr;

    gap: 30px;
  }

  .vision-content {
    grid-template-columns: 1fr;

    gap: 35px;
  }

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

  .approach-grid article {
    min-height: auto;

    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .approach-grid article:last-child {
    border-bottom: none;
  }

  .position-card {
    grid-template-columns: 1fr;

    gap: 50px;
  }

}


@media (max-width: 620px) {

  .navbar {
    height: 80px;
  }

  .navbar-inner,
  .about-hero,
  .vision-section,
  .approach-section,
  .position-section {
    width: calc(100% - 30px);
  }

  .brand,
  .brand img {
    width: 170px;
  }

  .nav-cta {
    display: none;
  }

  .about-hero {
    min-height: auto;

    padding: 70px 0 90px;
  }

  .hero-copy h1 {
    font-size: 49px;
  }

  .visual-item,
  .item-two,
  .item-three {
    margin-left: 0;
  }

  .vision-section {
    padding: 90px 0;
  }

  .approach-section {
    padding: 95px 0;
  }

  .position-section {
    padding: 40px 0 100px;
  }

  .position-card {
    padding: 32px 24px;
  }

  .final-cta {
    padding: 100px 20px;
  }

  .footer-main {
    grid-template-columns: 1fr;

    gap: 50px;
  }

  .footer-links {
    grid-template-columns: 1fr;

    gap: 35px;
  }

  .footer-bottom {
    flex-direction: column;

    gap: 15px;
  }

  .footer-bottom div {
    flex-wrap: wrap;
  }

}

/* =========================================================
   NEXTSTEP — MENU MOBILE + RESPONSIVE FINAL
   Ajouté en fin de fichier pour préserver le desktop.
========================================================= */

.mobile-menu-toggle,
.mobile-menu {
  display: none;
}

@media (max-width: 950px) {

  .navbar {
    position: relative;
    z-index: 1000;
  }

  .navbar-inner {
    width: calc(100% - 30px);
    height: 82px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    grid-template-columns: none;
  }

  .nav-links,
  .nav-cta {
    display: none !important;
  }

  .brand {
    width: 178px;
    flex: 0 0 auto;
  }

  .brand img {
    width: 178px;
  }

  .mobile-menu-toggle {
    width: 46px;
    height: 46px;

    padding: 0;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    gap: 5px;

    flex: 0 0 46px;

    cursor: pointer;

    border: 1px solid rgba(67, 229, 177, .34);
    border-radius: 13px;

    background: rgba(4, 16, 29, .88);

    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .mobile-menu-toggle span {
    width: 19px;
    height: 1.5px;

    display: block;

    border-radius: 99px;

    background: #edf7f3;

    transition:
      transform .25s ease,
      opacity .2s ease;
  }

  .mobile-menu-toggle.is-open span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }

  .mobile-menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  .mobile-menu {
    position: absolute;

    top: 82px;
    left: 15px;
    right: 15px;

    z-index: 999;

    display: block;

    overflow: hidden;

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transform: translateY(-10px);

    border: 1px solid rgba(100, 181, 190, .22);
    border-radius: 20px;

    background:
      linear-gradient(
        145deg,
        rgba(5, 22, 38, .99),
        rgba(3, 13, 25, .99)
      );

    box-shadow: 0 28px 70px rgba(0, 0, 0, .42);

    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);

    transition:
      opacity .22s ease,
      visibility .22s ease,
      transform .22s ease;
  }

  .mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;

    transform: translateY(0);
  }

  .mobile-menu-inner {
    padding: 12px;

    display: flex;
    flex-direction: column;

    gap: 4px;
  }

  .mobile-menu-inner > a {
    min-height: 51px;

    padding: 0 15px;

    display: flex;
    align-items: center;

    border-radius: 12px;

    color: #d8e2eb;

    font-size: 14px;
    font-weight: 500;
  }

  .mobile-menu-inner > a.active-link {
    color: var(--green) !important;
    background: rgba(67, 229, 177, .045);
  }

  .mobile-menu-inner .mobile-menu-cta {
    min-height: 52px;

    margin-top: 7px;

    justify-content: center;

    border: 1px solid rgba(67, 229, 177, .48);

    color: #dffff6 !important;

    background: rgba(67, 229, 177, .07);

    font-weight: 600;
  }

  /* HERO */

  .about-hero {
    width: calc(100% - 30px);
    min-height: auto;

    padding: 58px 0 85px;

    grid-template-columns: 1fr;

    gap: 50px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-copy h1 {
    font-size: clamp(50px, 9.5vw, 72px);
  }

  .hero-copy p {
    max-width: 650px;
  }

  .hero-visual {
    width: 100%;
    max-width: 720px;

    min-height: 360px;
  }

  /* VISION */

  .vision-section {
    width: calc(100% - 40px);

    padding: 100px 0;

    grid-template-columns: 1fr;

    gap: 28px;
  }

  .vision-content {
    grid-template-columns: 1fr;

    gap: 34px;
  }

  .vision-text {
    max-width: 680px;
  }

  /* APPROACH */

  .approach-section {
    width: calc(100% - 40px);

    padding: 105px 0;
  }

  .approach-heading {
    margin-bottom: 50px;
  }

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

  .approach-grid article {
    min-height: 0;

    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .approach-grid article:last-child {
    border-bottom: 0;
  }

  /* POSITION */

  .position-section {
    width: calc(100% - 40px);

    padding: 60px 0 115px;
  }

  .position-card {
    padding: 45px;

    grid-template-columns: 1fr;

    gap: 42px;
  }

  /* CTA */

  .final-cta {
    padding: 110px 25px;
  }

  /* FOOTER */

  .site-footer {
    padding: 68px 24px 25px;
  }

  .footer-main {
    grid-template-columns: 1fr;

    gap: 46px;

    padding-bottom: 50px;
  }

  .footer-links {
    max-width: 650px;
  }

}


@media (max-width: 620px) {

  .navbar {
    height: 72px;
  }

  .navbar-inner {
    height: 72px;
  }

  .brand,
  .brand img {
    width: 158px;
  }

  .mobile-menu-toggle {
    width: 44px;
    height: 44px;

    flex-basis: 44px;
  }

  .mobile-menu {
    top: 72px;
  }

  /* HERO */

  .about-hero {
    width: calc(100% - 30px);

    padding: 35px 0 70px;

    gap: 38px;
  }

  .hero-copy h1 {
    font-size: clamp(41px, 12.5vw, 53px);

    line-height: 1.02;
  }

  .hero-copy p {
    margin-top: 22px;

    font-size: 14px;
    line-height: 1.68;
  }

  .hero-visual {
    min-height: 315px;

    padding: 12px 0;
  }

  .visual-line {
    left: 25px;

    top: 45px;
    bottom: 45px;
  }

  .visual-item,
  .item-two,
  .item-three {
    min-height: 82px;

    margin-left: 0;

    padding: 16px;

    grid-template-columns: 47px 1fr;
  }

  .visual-item > span {
    width: 34px;
    height: 34px;
  }

  .visual-item small {
    margin-top: -18px;
  }

  /* VISION */

  .vision-section {
    width: calc(100% - 30px);

    padding: 82px 0;
  }

  .vision-content h2 {
    font-size: clamp(35px, 10vw, 43px);
  }

  .vision-text p {
    font-size: 14px;
    line-height: 1.72;
  }

  /* APPROACH */

  .approach-section {
    width: calc(100% - 30px);

    padding: 86px 0;
  }

  .approach-heading h2 {
    font-size: clamp(35px, 10vw, 44px);
  }

  .approach-heading p {
    font-size: 14px;
  }

  .approach-grid article {
    padding: 25px 22px;
  }

  .approach-icon {
    margin-top: 30px;
  }

  .approach-grid h3 {
    margin-top: 21px;
  }

  /* POSITION */

  .position-section {
    width: calc(100% - 30px);

    padding: 35px 0 90px;
  }

  .position-card {
    padding: 29px 22px;

    gap: 34px;

    border-radius: 19px;
  }

  .position-copy h2 {
    font-size: clamp(32px, 9vw, 39px);
  }

  .position-points > div {
    min-height: 60px;
  }

  /* CTA */

  .final-cta {
    padding: 85px 16px;
  }

  .final-cta h2 {
    font-size: clamp(38px, 10.5vw, 48px);
  }

  .final-cta p {
    font-size: 14px;
  }

  .final-cta > a {
    width: 100%;
    max-width: 360px;

    justify-content: center;
  }

  /* FOOTER */

  .site-footer {
    padding: 58px 18px 24px;
  }

  .footer-links {
    grid-template-columns: 1fr;

    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;

    align-items: flex-start;

    gap: 16px;
  }

  .footer-bottom div {
    flex-wrap: wrap;

    row-gap: 10px;
  }

}


@media (max-width: 380px) {

  .brand,
  .brand img {
    width: 145px;
  }

  .hero-copy h1 {
    font-size: 39px;
  }

  .visual-item {
    grid-template-columns: 43px 1fr;
  }

}