/* Jérémy Bernardo — feuille de style unique, écrite à la main */

:root {
  --color-bg-dark: #131313;
  --color-bg-darker: #1c1c1c;
  --color-bg-navy: #0d0f1e;
  --color-white: #fff;
  --color-black: #000;
  --color-text-muted: #adadad;
  --color-text-footer: #b1b0b5;
  --color-text-legal: #7a7a7a;
  --color-text-author: #a8a8a8;
  --color-accent: #ff7f21;
  --color-accent-strong: #f85e2e;

  --font-ui: "Inter", sans-serif;
  --font-title: "Cardo", Georgia, serif;

  --container-width: 1100px;
  --container-padding: 60px;
}

/* Largeur de contenu : 1100px par défaut, 1300px à partir de 1441px
   (reprend le système de grille "content-grid" du site d'origine) */
@media (min-width: 1441px) {
  :root { --container-width: 1300px; }
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-black);
  background: var(--color-white);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }
h1, h2, h3, h4, h5, h6 { font-weight: 400; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

.container {
  width: var(--container-width);
  max-width: calc(100% - 2 * var(--container-padding));
  margin: 0 auto;
}
.container--full {
  padding: 0 var(--container-padding);
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.btn {
  display: inline-flex;
  align-items: center;
  line-height: 17px;
  font-family: var(--font-ui);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.25px;
  padding: 14px 29px 13px;
  border: 1px solid currentColor;
  border-radius: 23px;
  color: inherit;
  background-color: transparent;
  transition: background-color 0.25s ease;
}
.btn--on-dark { color: var(--color-white); }
.btn--on-light { color: var(--color-black); }
.btn--hover-fill:hover { background-color: #232323; }

.btn__arrows {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: 13px;
  overflow: hidden;
  fill: currentColor;
  width: 13px;
  height: 17px;
}
.btn__arrow {
  display: inline-flex;
  align-items: center;
  transition: transform 0.3s ease-out;
}
.btn__arrow:first-child {
  transform: translateX(0);
}
.btn__arrow:last-child {
  position: absolute;
  top: 50%;
  left: 0;
  margin-top: -6px;
  transform: translateX(-200%);
}
.btn:hover .btn__arrow:first-child { transform: translateX(200%); }
.btn:hover .btn__arrow:last-child { transform: translateX(0); }

/* ===== Header ===== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 32px 0;
}
.site-header--solid {
  position: fixed;
  background: var(--color-black);
}
.site-header .container--full {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header__logo {
  font-family: var(--font-title);
  letter-spacing: 0.03em;
  font-size: 32px;
  color: var(--color-white);
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: 21px;
}
.main-nav__list a {
  color: var(--color-white);
  font-size: 16px;
  position: relative;
}
.main-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: currentColor;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.main-nav__list a:hover::after { opacity: 1; }
.main-nav__item--cta a {
  border: 1px solid var(--color-accent);
  border-radius: 30px;
  padding: 7px 31px;
}
.main-nav__item--cta a::after { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  margin: 5px 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--color-bg-dark);
  padding: 175px 0 0;
  text-align: center;
  overflow: hidden;
}
.hero__decor {
  position: absolute;
  right: -50%;
  bottom: -10%;
  width: 75%;
  pointer-events: none;
}
.hero__title {
  font-family: var(--font-title);
  font-size: 94px;
  font-weight: 400;
  line-height: 79px;
  letter-spacing: -0.94px;
  color: var(--color-white);
  padding: 0 17%;
}
.hero__subtitle {
  font-size: 24px;
  font-style: normal;
  line-height: 24px;
  color: var(--color-white);
  margin-top: 40px;
  padding: 0 17%;
}
.hero__cta { margin-top: 32px; }
.hero__visual-wrap {
  position: relative;
  margin-top: 40px;
}
.hero__visual {
  position: relative;
  min-height: 700px;
  border-radius: 10px;
  background-image: url("../assets/img/hero-visual.jpg");
  background-position: bottom center;
  background-repeat: no-repeat;
  background-size: contain;
}

/* ===== About / signature ===== */
.about {
  padding: 80px 40px;
  text-align: center;
}
.about__inner {
  max-width: 733px;
  margin: 0 auto;
}
.about__title {
  font-family: var(--font-title);
  font-size: 35px;
  line-height: 1.228;
  color: var(--color-black);
}
.about__caption {
  font-style: italic;
  color: var(--color-text-muted);
  margin-top: 16px;
}
.about__signature {
  width: 130px;
  margin: 24px auto 0;
}

/* ===== Section title shared ===== */
.section-title {
  font-family: var(--font-title);
  font-size: 50px;
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -0.5px;
  color: var(--color-black);
}
.section-lead {
  margin-top: 12px;
  color: var(--color-text-legal);
}

/* ===== Problems ===== */
.problems {
  background: var(--color-white);
  padding: 100px 0 55px;
}
.problems__heading { margin-bottom: 60px; }
.problems__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.problem-card__title {
  font-size: 25px;
  font-weight: 400;
  line-height: 1.32;
  color: var(--color-black);
}
.problem-card__text {
  margin-top: 6px;
  color: var(--color-black);
}

/* ===== Banner (formation / conseil) shared ===== */
.banner {
  padding: 125px 0;
  background-size: cover;
  background-repeat: no-repeat;
}
.banner__content { max-width: 720px; }
.banner__title {
  font-family: var(--font-title);
  font-size: 65px;
  line-height: 1.123;
  letter-spacing: -0.65px;
}
.banner__text {
  font-weight: 400;
  font-size: 18px;
  line-height: 1.444;
  margin-top: 20px;
}
.banner__cta { margin-top: 32px; display: inline-block; }

.banner--formation {
  background-color: var(--color-white);
  background-image: url("../assets/img/bg-formation.webp");
  background-position: center;
}
.banner--formation .banner__title,
.banner--formation .banner__text { color: var(--color-black); }

.banner--conseil {
  background-color: var(--color-bg-darker);
  background-image: url("../assets/img/bg-conseil.webp");
  background-position: center left;
}
.banner--conseil .banner__title,
.banner--conseil .banner__text { color: var(--color-white); }

/* ===== Trust / clients ===== */
.trust {
  background: var(--color-bg-darker);
  padding: 115px 0 120px;
  text-align: center;
}
.trust__title {
  font-family: var(--font-title);
  font-size: 35px;
  line-height: 1.228;
  color: var(--color-white);
}
.trust__lead {
  font-weight: 400;
  font-size: 18px;
  color: var(--color-white);
  margin-top: 16px;
}
.clients {
  margin-top: 45px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: center;
}
.clients img { margin: 0 auto; max-height: 44px; width: auto; }

/* ===== Testimonials ===== */
.testimonials {
  background: var(--color-white);
  padding: 110px 0 106px;
  text-align: center;
}
.testimonials__heading { margin-bottom: 8px; }
.testimonials__lead { color: var(--color-text-legal); }
.testimonials__grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 80px;
  text-align: left;
}
.testimonial__stars {
  color: var(--color-black);
  font-size: 21px;
  letter-spacing: 2px;
}
.testimonial__text {
  font-family: var(--font-title);
  font-weight: 400;
  font-size: 30px;
  line-height: 1.16;
  margin-top: 16px;
}
.testimonial__author {
  display: block;
  font-weight: 400;
  color: var(--color-text-author);
  margin-top: 24px;
}

/* ===== Footer ===== */
.site-footer { background: var(--color-black); }
.site-footer__top {
  padding: 145px var(--container-padding) 60px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.site-footer__email {
  display: block;
  font-size: 36px;
  line-height: 1;
  color: var(--color-text-footer);
}
.footer-nav a, .footer-social a {
  display: block;
  font-size: 22px;
  line-height: 36px;
  color: var(--color-text-footer);
}
.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.site-footer__bottom-inner {
  padding-top: 24px;
  padding-bottom: 32px;
}
.site-footer__copy {
  font-size: 14px;
  color: var(--color-text-footer);
}
.site-footer__copy a { text-decoration: underline; }
.back-to-top {
  position: fixed;
  right: 25px;
  bottom: 25px;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background-color: var(--color-accent-strong);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 27px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.back-to-top:hover { transform: scale(1.05); }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; }

/* ===== Page title banner (mentions légales) ===== */
.page-title {
  position: relative;
  height: 240px;
  display: flex;
  align-items: center;
  background-color: var(--color-bg-navy);
  background-image: url("../assets/img/bg-page-title.webp");
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.page-title::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(13, 15, 30, 0.55);
}
.page-title__title {
  position: relative;
  font-family: var(--font-title);
  font-size: 65px;
  font-weight: 400;
  color: var(--color-white);
}

/* ===== Legal content ===== */
.legal {
  padding: 110px 0 102px;
  max-width: 900px;
  margin: 0 auto;
}
.legal h2 {
  font-family: var(--font-title);
  font-size: 35px;
  font-weight: 400;
  margin: 50px 0 20px;
}
.legal h2:first-child { margin-top: 0; }
.legal p {
  font-size: 16px;
  line-height: 26px;
  color: var(--color-text-legal);
  margin: 0 0 16px;
}
.legal strong { color: var(--color-black); }
.legal a { text-decoration: underline; }

/* ===== Mobile nav ===== */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: #131313;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav__list { text-align: center; }
.mobile-nav__list a {
  display: block;
  color: var(--color-white);
  font-size: 25px;
  padding: 16px 0;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root { --container-padding: 32px; }
  .hero { padding-top: 100px; }
  .hero__break { display: none; }
  .hero__title { font-size: 130px; line-height: 1; padding: 0 80px; }
  .hero__subtitle { font-size: 20px; padding: 0 8%; }
  .hero__visual { min-height: 420px; background-size: cover; }
  .problems__grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .banner__title { font-size: 46px; }
  .clients { grid-template-columns: repeat(3, 1fr); }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .main-nav { display: none; }
  .hero__title { font-size: 100px; }
}

@media (max-width: 767px) {
  .hero { padding: 130px 0 70px; }
  .hero__decor { width: 160%; right: -50%; bottom: 20%; }
  .hero__title { padding: 0 14%; }
  .hero__subtitle { font-size: 25px; padding: 0 11%; }
  .hero .container { width: 100%; max-width: 100%; }
  .hero__visual-wrap { width: 86%; margin: 40px auto 0; }
  .hero__visual { min-height: 0; height: 424px; background-position: -315px 16px; }
  .about { padding: 40px 24px; }
  .problems__grid { grid-template-columns: 1fr; gap: 32px; }
  .problems { padding: 70px 0 60px; }
  .banner { padding: 80px 0; }
  .banner__title { font-size: 34px; }
  .trust { padding: 70px 0 80px; }
  .clients { grid-template-columns: repeat(2, 1fr); }
  .testimonials { padding: 70px 0; }
  .testimonials__grid { grid-template-columns: 1fr; gap: 40px; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .site-footer__top { padding-top: 80px; }
  .site-footer__email { font-size: 28px; }
  .page-title__title { font-size: 44px; }
}

@media (max-width: 500px) {
  .hero__title { font-size: 51px; }
}

@media (max-width: 400px) {
  .hero__title { font-size: 46px; }
}

@media (max-width: 480px) {
  .about__title { font-size: 26px; }
  .section-title { font-size: 32px; }
}