/* ============================
   RESET & BASE
   ============================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --orange: #E4572E;
  --black: #0F0F0F;
  --white: #F5F5F5;
  --dark: #2A2A2A;
  --font-title: 'Bebas Neue', sans-serif;
  --font-body: 'Montserrat', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

/* ============================
   TYPOGRAPHY
   ============================ */
h1, h2, h3 {
  font-family: var(--font-title);
  letter-spacing: 0.04em;
  line-height: 1.1;
}

h2 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
}

h3 {
  font-size: 1.4rem;
  letter-spacing: 0.06em;
}

.highlight {
  color: var(--orange);
}

/* ============================
   BUTTONS
   ============================ */
.btn-primary {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.9rem 2rem;
  border: 2px solid var(--orange);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.btn-primary:hover {
  background: transparent;
  color: var(--orange);
}

.btn-primary.btn-full {
  width: 100%;
  text-align: center;
  border: none;
  font-size: 1rem;
  padding: 1rem;
}

.btn-primary.btn-full:hover {
  background: #c94523;
  color: var(--white);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 2rem;
  border: 2px solid var(--white);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--black);
}

.btn-nav {
  background: var(--orange);
  color: var(--white) !important;
  padding: 0.5rem 1.2rem;
  border-radius: 2px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background 0.2s;
}

.btn-nav:hover {
  background: #c94523;
}

/* ============================
   HEADER / NAV
   ============================ */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(15, 15, 15, 0.96);
  border-bottom: 2px solid var(--orange);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-main {
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: var(--white);
  letter-spacing: 0.08em;
}

.logo-sub {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--orange);
}

.burger {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--dark);
  padding: 1rem 2rem;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile li a {
  display: block;
  padding: 0.75rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid #333;
  transition: color 0.2s;
}

.nav-mobile li a:hover {
  color: var(--orange);
}

/* ============================
   HERO
   ============================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  background:
    linear-gradient(to right, rgba(15,15,15,0.96) 0%, rgba(15,15,15,0.80) 50%, rgba(15,15,15,0.30) 100%),
    url('images/IMG_3054.jpeg') center / cover no-repeat;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 55%, rgba(15,15,15,0.7) 100%),
    linear-gradient(to right, transparent 40%, rgba(228,87,46,0.08) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}

.hero-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  color: var(--white);
  margin-bottom: 1.2rem;
}

.hero-desc {
  font-size: 1.05rem;
  color: #ccc;
  margin-bottom: 2.5rem;
  max-width: 480px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-silhouette {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 45%;
  max-width: 520px;
  opacity: 0.25;
  pointer-events: none;
  z-index: 1;
}

.hero-silhouette svg {
  width: 100%;
  height: auto;
}

/* ============================
   ARGUMENTS
   ============================ */
.arguments {
  background: var(--orange);
  padding: 1.5rem 2rem;
}

.arg-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}

.arg-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem;
}

.arg-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.arg-icon svg {
  width: 28px;
  height: 28px;
}

.arg-item p {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--black);
}

/* ============================
   SECTION HEADER
   ============================ */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header p {
  color: #999;
  margin-top: 0.6rem;
  font-size: 1rem;
}

.section-header.light p {
  color: #bbb;
}

/* ============================
   SERVICES
   ============================ */
.services {
  padding: 6rem 2rem;
  background: var(--black);
  max-width: 1200px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--dark);
  border: 1px solid #333;
  border-radius: 2px;
  padding: 2rem 1.5rem;
  transition: border-color 0.25s, transform 0.25s;
}

.service-card:hover {
  border-color: var(--orange);
  transform: translateY(-4px);
}

.service-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 1.2rem;
  background: rgba(228, 87, 46, 0.08);
  border: 1px solid rgba(228, 87, 46, 0.25);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon svg {
  width: 30px;
  height: 30px;
}

.service-card h3 {
  margin-bottom: 0.75rem;
  color: var(--white);
}

.service-card p {
  font-size: 0.9rem;
  color: #aaa;
  line-height: 1.6;
}

/* ============================
   RÉALISATIONS
   ============================ */
.realisations {
  background: var(--dark);
  padding: 6rem 2rem;
}

.realisations .section-header {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3.5rem;
}

.real-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.real-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.real-img {
  aspect-ratio: 4/3;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

.real-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
  filter: brightness(0.65) saturate(0.8);
}

.real-card:hover .real-img img {
  transform: scale(1.05);
}

.real-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,15,15,0.75) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

.real-img span {
  position: relative;
  z-index: 2;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(245,245,245,0.8);
  background: rgba(15,15,15,0.5);
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
}

.real-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #ccc;
}

/* ============================
   À PROPOS
   ============================ */
.apropos {
  padding: 6rem 2rem;
  background: var(--black);
}

.apropos-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.apropos-text h2 {
  margin-bottom: 1.5rem;
}

.apropos-text p {
  color: #bbb;
  margin-bottom: 1rem;
  line-height: 1.75;
  font-size: 0.95rem;
}

.apropos-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.apropos-list li {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.check-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.apropos-visual {
  position: relative;
}

.apropos-photo {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.apropos-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.75) saturate(0.85);
}

.apropos-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top left, rgba(228,87,46,0.25) 0%, transparent 60%);
  pointer-events: none;
}

.apropos-photo::before {
  content: '';
  position: absolute;
  inset: -6px -6px auto auto;
  width: 60px;
  height: 60px;
  border-top: 3px solid var(--orange);
  border-right: 3px solid var(--orange);
  z-index: 2;
}

/* ============================
   ZONE D'INTERVENTION
   ============================ */
.zone {
  padding: 5rem 2rem;
  background: var(--black);
  max-width: 1200px;
  margin: 0 auto;
}

.zone-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.zone-grid span {
  background: var(--dark);
  border: 1px solid #333;
  color: #ccc;
  padding: 0.5rem 1.2rem;
  border-radius: 2px;
  font-size: 0.88rem;
  font-family: var(--font-body);
  transition: border-color 0.2s, color 0.2s;
}

.zone-grid span:hover {
  border-color: var(--orange);
  color: var(--white);
}

/* ============================
   CONTACT
   ============================ */
.contact {
  padding: 6rem 2rem;
  background: var(--dark);
}

.contact .section-header {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3.5rem;
}

.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #aaa;
}

.form-group input,
.form-group textarea {
  background: var(--black);
  border: 1px solid #444;
  border-radius: 2px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  transition: border-color 0.2s;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #555;
}

.form-note {
  font-size: 0.75rem;
  color: #666;
  text-align: center;
  margin-top: -0.4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 1rem;
}

.info-block {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #444;
}

.info-block:last-child {
  border-bottom: none;
}

.info-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--orange);
}

.info-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.5;
}

a.info-value:hover {
  color: var(--orange);
}

/* ============================
   FOOTER
   ============================ */
footer {
  background: var(--black);
  border-top: 2px solid var(--orange);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: #888;
  margin-top: 0.5rem;
}

.footer-legal {
  font-size: 0.75rem;
  color: #555;
  margin-top: 0.75rem;
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 900px) {
  .apropos-inner,
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .apropos-visual {
    display: none;
  }

  .hero-silhouette {
    opacity: 0.12;
    width: 80%;
  }
}

@media (max-width: 700px) {
  .nav-links {
    display: none;
  }

  .burger {
    display: block;
  }

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

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

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 3rem;
  }

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