/* =========================================================
   Foulée Sauvage — Coach trail & course à pied
   Feuille de styles principale
   ========================================================= */

:root {
  /* Couleurs */
  --color-bg: #0f1410;
  --color-bg-light: #f7f5f0;
  --color-forest: #1f2e1f;
  --color-forest-dark: #142014;
  --color-moss: #4a6b4a;
  --color-clay: #c2703d;
  --color-clay-light: #e08a4f;
  --color-cream: #f3efe6;
  --color-stone: #8a8a7d;
  --color-text-dark: #1c1f1a;
  --color-text-light: #f3efe6;
  --color-text-muted: #6b6f63;
  --color-border: rgba(255, 255, 255, 0.12);

  /* Typo */
  --font-title: "Fraunces", "Georgia", serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  /* Mise en page */
  --container-width: 1180px;
  --radius-s: 6px;
  --radius-m: 14px;
  --radius-l: 28px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-dark);
  background: var(--color-bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-text-dark);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  position: relative;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-s);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-clay);
  color: var(--color-cream);
  box-shadow: 0 8px 24px -8px rgba(194, 112, 61, 0.55);
}

.btn-primary:hover {
  background: var(--color-clay-light);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-text-dark);
  border: 1px solid rgba(28, 31, 26, 0.25);
}

.btn-outline-dark:hover {
  background: var(--color-text-dark);
  color: var(--color-cream);
}

.btn-block {
  width: 100%;
}

/* ---------- Étiquette / Eyebrow ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-clay);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--color-clay);
}

.eyebrow.light {
  color: var(--color-clay-light);
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(15, 20, 16, 0.92);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: 0.01em;
}

.logo span {
  color: var(--color-clay-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  color: var(--color-text-light);
  font-size: 0.92rem;
  font-weight: 500;
  opacity: 0.85;
  position: relative;
  transition: opacity var(--transition);
}

.nav-links a:hover {
  opacity: 1;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--color-clay-light);
  transition: width var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1100;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--color-text-light);
  transition: transform var(--transition), opacity var(--transition);
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  color: var(--color-text-light);
  overflow: hidden;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 20, 16, 0.55) 0%,
    rgba(15, 20, 16, 0.35) 35%,
    rgba(15, 20, 16, 0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 160px 0 70px;
  width: 100%;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  color: var(--color-text-light);
  max-width: 820px;
  margin-bottom: 22px;
}

.hero-content p {
  max-width: 560px;
  font-size: 1.08rem;
  color: rgba(243, 239, 230, 0.85);
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 64px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  border-top: 1px solid var(--color-border);
  padding-top: 32px;
}

.hero-stat strong {
  display: block;
  font-family: var(--font-title);
  font-size: 2rem;
  color: var(--color-clay-light);
  margin-bottom: 4px;
}

.hero-stat span {
  font-size: 0.82rem;
  color: rgba(243, 239, 230, 0.7);
  letter-spacing: 0.02em;
}

/* =========================================================
   SERVICES
   ========================================================= */
.services {
  background: var(--color-bg-light);
  padding: 120px 0 100px;
}

.section-head {
  max-width: 680px;
  margin-bottom: 60px;
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  margin-bottom: 18px;
}

.section-head p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: #fff;
  border-radius: var(--radius-m);
  padding: 36px 28px;
  border: 1px solid rgba(28, 31, 26, 0.06);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -24px rgba(28, 31, 26, 0.2);
  border-color: rgba(194, 112, 61, 0.25);
}

.service-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-moss);
  background: rgba(74, 107, 74, 0.1);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 22px;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  margin-bottom: 22px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-clay);
  transition: gap var(--transition);
}

.service-link:hover {
  gap: 10px;
}

/* =========================================================
   APPROCHE
   ========================================================= */
.approach {
  background: var(--color-forest);
  color: var(--color-text-light);
  padding: 110px 0;
}

.approach .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.approach-media {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
  align-items: end;
}

.approach-media img {
  border-radius: var(--radius-m);
  object-fit: cover;
  width: 100%;
}

.approach-media .img-tall {
  height: 460px;
}

.approach-media .img-short {
  height: 280px;
  margin-bottom: 40px;
}

.approach-text h2 {
  color: var(--color-text-light);
  font-size: clamp(1.9rem, 3.2vw, 2.5rem);
  margin-bottom: 20px;
}

.approach-text > p {
  color: rgba(243, 239, 230, 0.78);
  font-size: 1.02rem;
  margin-bottom: 30px;
}

.approach-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.approach-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.97rem;
  color: rgba(243, 239, 230, 0.92);
}

.approach-list li::before {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--color-clay-light);
}

/* =========================================================
   MÉTHODE
   ========================================================= */
.method {
  background: var(--color-bg-light);
  padding: 120px 0;
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 60px;
  position: relative;
}

.method-step {
  position: relative;
  padding-top: 24px;
}

.method-step::before {
  content: attr(data-step);
  display: block;
  font-family: var(--font-title);
  font-size: 3.2rem;
  color: rgba(194, 112, 61, 0.18);
  font-weight: 700;
  margin-bottom: 8px;
}

.method-step h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.method-step p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact {
  background: var(--color-forest-dark);
  color: var(--color-text-light);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(194, 112, 61, 0.25), transparent 70%);
  pointer-events: none;
}

.contact-intro {
  max-width: 640px;
  margin: 0 auto 60px;
  text-align: center;
}

.contact-intro h2 {
  color: var(--color-text-light);
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  margin-bottom: 18px;
}

.contact-intro p {
  color: rgba(243, 239, 230, 0.78);
  font-size: 1.05rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-info-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.contact-info-item .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(243, 239, 230, 0.55);
}

.contact-info-item .value {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.contact-info-item .value:hover {
  color: var(--color-clay-light);
}

/* Formulaire */
.contact-form {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  color: rgba(243, 239, 230, 0.75);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: 13px 16px;
  color: var(--color-text-light);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition), background var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(243, 239, 230, 0.35);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-clay-light);
  background: rgba(255, 255, 255, 0.09);
}

.form-group select option {
  color: #111;
}

.char-count {
  text-align: right;
  font-size: 0.78rem;
  color: rgba(243, 239, 230, 0.45);
}

.form-feedback {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-s);
  font-size: 0.9rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(74, 107, 74, 0.2);
  border: 1px solid rgba(74, 107, 74, 0.5);
  color: #b9d6b9;
}

.form-feedback.error {
  display: block;
  background: rgba(194, 80, 61, 0.18);
  border: 1px solid rgba(194, 80, 61, 0.5);
  color: #f0b3a4;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--color-forest-dark);
  color: rgba(243, 239, 230, 0.6);
  padding: 28px 0;
  border-top: 1px solid var(--color-border);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-brand {
  font-family: var(--font-title);
  color: var(--color-text-light);
  font-size: 1rem;
}

.site-footer p {
  font-size: 0.85rem;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .approach .container {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .approach-media {
    order: -1;
  }

  .method-steps {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 28px;
  }
}

@media (max-width: 760px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 78%;
    max-width: 320px;
    background: var(--color-forest-dark);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 40px;
    gap: 28px;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 1050;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

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

  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .header-actions .btn {
    display: none;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding-top: 130px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-form {
    padding: 28px;
  }
}