:root {
  --navy: #0c1426;
  --ink: #101827;
  --muted: #586274;
  --gold: #b99a6f;
  --line: #e8ebef;
  --soft: #f5f6f8;
  --white: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 110px;
}

body {
  margin: 0;
  min-width: 320px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

.container {
  width: min(100% - 40px, 1240px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(12, 20, 38, 0.08);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  gap: 32px;
}

.brand img {
  width: 180px;
  height: auto;
  animation: fadeIn 700ms ease both;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  font-size: 14px;
  color: #263043;
  animation: fadeIn 700ms ease 120ms both;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
  white-space: nowrap;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav a.active {
  color: var(--navy);
  font-weight: 700;
}

.page-hero {
  position: relative;
  padding: 120px 0 90px;
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 380px at 85% -10%, rgba(185, 154, 111, 0.22), transparent 70%),
    radial-gradient(700px 320px at -10% 110%, rgba(185, 154, 111, 0.12), transparent 70%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.page-hero .eyebrow {
  color: var(--gold);
}

.page-hero h1 {
  margin: 18px 0 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  line-height: 1.05;
  color: var(--white);
}

.page-hero p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 19px;
  line-height: 1.6;
}

.content-section {
  padding: 88px 0;
}

.content-section.soft {
  background: var(--soft);
}

.content-section.dark {
  background: var(--navy);
  color: var(--white);
}

.content-section.dark h2,
.content-section.dark h3 {
  color: var(--white);
}

.content-section.dark p {
  color: rgba(255, 255, 255, 0.82);
}

.content-section h2 {
  margin: 12px 0 28px;
  color: var(--navy);
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1.1;
}

.content-section h3 {
  margin: 28px 0 12px;
  color: var(--navy);
  font-size: 22px;
  letter-spacing: 0.02em;
}

.content-section p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.content-section .container > p:first-of-type {
  max-width: 820px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: start;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 40px;
}

.value-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--line);
}

.value-card h3 {
  margin-top: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.value-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-top: 40px;
}

.tier-card {
  display: flex;
  flex-direction: column;
  padding: 36px;
  background: var(--white);
  border: 1px solid var(--line);
}

.tier-card.featured {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.tier-card.featured h3,
.tier-card.featured .tier-name,
.tier-card.featured p {
  color: var(--white);
}

.tier-name {
  margin: 0;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tier-card h3 {
  margin: 12px 0 14px;
  font-family: Georgia, serif;
  font-size: 22px;
  color: var(--navy);
}

.tier-card p {
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
}

.detail-block {
  margin-top: 56px;
  padding: 40px;
  background: var(--white);
  border: 1px solid var(--line);
}

.detail-block h3 {
  margin-top: 0;
  color: var(--navy);
  font-family: Georgia, serif;
  font-size: 26px;
}

.detail-block ul {
  margin: 14px 0 22px;
  padding-left: 22px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.detail-block ul li {
  margin-bottom: 6px;
}

.detail-block h4 {
  margin: 22px 0 8px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.option-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
}

.option-card h3 {
  margin: 0 0 10px;
  font-family: Georgia, serif;
  font-size: 20px;
  color: var(--navy);
}

.option-card p,
.option-card li {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.option-card ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 40px;
  padding: 40px;
  background: var(--white);
  border: 1px solid var(--line);
}

.contact-form .full {
  grid-column: 1 / -1;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
}

.contact-form input,
.contact-form textarea {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: inherit;
  font-size: 16px;
  color: var(--ink);
  background: var(--soft);
  transition: border-color 160ms ease, background 160ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--navy);
  background: var(--white);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-form button {
  justify-self: start;
  margin-top: 6px;
  padding: 14px 32px;
  border: none;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-family: inherit;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 160ms ease;
}

.contact-form button:hover {
  background: #1a2741;
}

.simulator-tool {
  margin-top: 40px;
  padding: 40px;
  background: var(--white);
  color: var(--ink);
  border-radius: 6px;
  display: grid;
  gap: 22px;
}

.simulator-tool label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.04em;
}

.simulator-tool input {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--soft);
  font-size: 16px;
  font-family: inherit;
}

.simulator-result {
  margin: 0;
  padding: 22px;
  background: var(--soft);
  border-left: 4px solid var(--gold);
  font-size: 17px;
  color: var(--ink);
}

.simulator-result strong {
  color: var(--navy);
  font-size: 22px;
}

@media (max-width: 1040px) {
  .two-col,
  .tier-grid,
  .values-grid,
  .options-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }
}

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  color: var(--white);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background: url("assets/hero-reunion-affaires.jpg") center / cover no-repeat;
  transform: scale(1.01);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(12, 20, 38, 0.84) 0%, rgba(12, 20, 38, 0.62) 46%, rgba(12, 20, 38, 0.08) 100%),
    linear-gradient(0deg, rgba(12, 20, 38, 0.22), rgba(12, 20, 38, 0.22));
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 720px;
  align-items: center;
}

.hero-copy {
  width: min(100%, 720px);
  padding: 54px 0;
}

.hero-copy > * {
  opacity: 0;
  animation: fadeIn 860ms ease both;
}

.hero-copy > :nth-child(1) {
  animation-delay: 160ms;
}

.hero-copy > :nth-child(2) {
  animation-delay: 300ms;
}

.hero-copy > :nth-child(3) {
  animation-delay: 440ms;
}

.hero-copy > :nth-child(4) {
  animation-delay: 580ms;
}

.hero-copy > :nth-child(5) {
  animation-delay: 720ms;
}

.eyebrow,
.section-label,
.offer-tag {
  margin: 0;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

.hero h1 {
  margin: 22px 0 22px;
  color: var(--white);
  font-size: clamp(3rem, 6vw, 5.75rem);
  line-height: 0.98;
}

.hero p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 20px;
  line-height: 1.58;
}

.hero .lead {
  margin-bottom: 20px;
  font-size: 23px;
  line-height: 1.42;
}

.hero-link {
  display: inline-flex;
  margin-top: 32px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.82);
  color: var(--white);
  font-weight: 700;
}

.intro-section,
.diagnostic-section,
.solutions-section,
.simulator-section,
.contact-section {
  padding: 92px 0;
}

.intro-section,
.contact-section {
  background: var(--white);
}

.intro-grid,
.diagnostic-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 72px;
  align-items: start;
}

.intro-section h2,
.diagnostic-card h2,
.section-heading h2,
.simulator-inner h2,
.contact-inner h2 {
  margin-top: 16px;
  color: var(--navy);
  font-size: clamp(2.4rem, 4.5vw, 4.3rem);
  line-height: 1.05;
}

.intro-text {
  display: grid;
  gap: 18px;
  padding-top: 44px;
}

.intro-text p,
.diagnostic-card p,
.offer-card p,
.simulator-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.diagnostic-section,
.solutions-section {
  background: var(--soft);
}

.diagnostic-card {
  padding: 54px;
  border: 1px solid var(--line);
  background: var(--white);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 30px;
  padding: 14px 24px;
  border: 1px solid var(--navy);
  border-radius: 999px;
  color: var(--navy);
  font-weight: 700;
  transition: background 180ms ease, color 180ms ease;
}

.button:hover,
.button.dark {
  background: var(--navy);
  color: var(--white);
}

.button.dark:hover {
  background: #1a2741;
}

.section-heading {
  max-width: 840px;
  margin-bottom: 48px;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.offer-card {
  min-height: 560px;
  padding: 48px;
  border: 1px solid var(--line);
  background: var(--white);
}

.offer-card.highlighted {
  background: var(--navy);
}

.offer-card.highlighted h3,
.offer-card.highlighted p {
  color: var(--white);
}

.offer-card h3 {
  margin: 30px 0 10px;
  color: var(--navy);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.offer-card h3:first-of-type {
  margin-top: 38px;
}

.offer-card .button {
  margin-top: 38px;
}

.simulator-section {
  background: #101827;
  color: var(--white);
}

.simulator-inner {
  max-width: 780px;
}

.simulator-inner h2,
.simulator-inner p {
  color: var(--white);
}

.simulator-inner p {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.78);
}

.contact-inner {
  max-width: 760px;
}

.contact-inner a {
  display: inline-flex;
  margin-top: 34px;
  color: var(--navy);
  font-size: 24px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 6px;
}

.site-footer {
  padding: 38px 0;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: var(--navy);
  font-size: 14px;
}

@media (max-width: 1040px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .site-nav {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 12px 20px;
  }

  .hero,
  .hero-inner {
    min-height: 640px;
  }

  .intro-grid,
  .diagnostic-card,
  .offer-grid {
    grid-template-columns: 1fr;
  }

  .intro-text {
    padding-top: 0;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, 1240px);
  }

  .brand img {
    width: 148px;
  }

  .site-nav {
    width: 100%;
    flex-wrap: nowrap;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 6px;
    font-size: 13px;
    scrollbar-width: thin;
  }

  .hero,
  .hero-inner {
    min-height: 680px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero p,
  .intro-text p,
  .diagnostic-card p,
  .offer-card p,
  .simulator-inner p {
    font-size: 17px;
  }

  .intro-section,
  .diagnostic-section,
  .solutions-section,
  .simulator-section,
  .contact-section {
    padding: 66px 0;
  }

  .diagnostic-card,
  .offer-card {
    padding: 30px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner nav {
    justify-content: flex-start;
  }
}
