/* ==========================================================================
   Léman Communication — design system
   ========================================================================== */

:root{
  --color-primary: #1279ab;
  --color-primary-dark: #0c5c85;
  --color-primary-darker: #0a3f5c;
  --color-accent: #4fc3e8;
  --color-ink: #142430;
  --color-ink-soft: #51677a;
  --color-paper: #ffffff;
  --color-mist: #f4f8fb;
  --color-mist-dark: #e9f1f6;
  --color-border: #e0e8ee;

  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(20, 36, 48, .06);
  --shadow-md: 0 10px 30px rgba(20, 36, 48, .10);
  --shadow-lg: 0 20px 50px rgba(20, 36, 48, .16);
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}
body{
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4{
  font-family: var(--font-serif);
  line-height: 1.15;
  margin: 0 0 .5em;
  font-weight: 600;
  letter-spacing: -.01em;
}
p{ margin: 0 0 1em; }
p:last-child{ margin-bottom: 0; }

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

.skip-link{
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus{ left: 0; top: 0; }

/* ---------- Eyebrow / section heads ---------- */
.eyebrow{
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: .9em;
}
.eyebrow--light{ color: var(--color-accent); }

.section{
  padding: 96px 0;
}
.section--tight{ padding: 88px 0 40px; }
.section h2{
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  max-width: 40ch;
}
.section__lead{
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  max-width: 62ch;
  margin-top: 1rem;
}
.section__lead--light{ color: rgba(255,255,255,.86); }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: .95em 1.7em;
  border-radius: 999px;
  font-weight: 600;
  font-size: .98rem;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn--primary{
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn--primary:hover{ transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn--ghost{
  background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(255,255,255,.55);
  color: #fff;
  backdrop-filter: blur(6px);
}
.btn--ghost:hover{ background: rgba(255,255,255,.18); }
.btn--lg{ font-size: 1.05rem; padding: 1.1em 2.1em; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(20,36,48,.06);
  transition: box-shadow .2s ease, background-color .2s ease;
}
.site-header.is-scrolled{
  background: rgba(255,255,255,.94);
  box-shadow: var(--shadow-sm);
}
.site-header__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand__logo{ height: 46px; width: auto; }

.nav{
  display: flex;
  align-items: center;
  gap: 2.1rem;
  font-weight: 600;
  font-size: .96rem;
}
.nav a{
  color: var(--color-ink);
  padding: .3em 0;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav a:hover{ color: var(--color-primary); border-color: var(--color-accent); }
.nav__cta{
  background: var(--color-primary);
  color: #fff !important;
  padding: .6em 1.3em !important;
  border-radius: 999px;
  border-bottom: none !important;
}
.nav__cta:hover{ background: var(--color-primary-dark); }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative;
  min-height: clamp(560px, 88vh, 920px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.hero__media{
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media img{
  /* Geneve's Jet d'Eau, full colour — the "Léman" in Léman Communication */
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 25% center;
}
.hero__media::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(6,20,34,.88) 0%, rgba(8,30,46,.58) 28%, rgba(10,40,58,.28) 48%, rgba(14,48,68,.14) 65%, rgba(14,48,68,.05) 80%),
    linear-gradient(100deg, rgba(6,20,32,.5) 0%, rgba(10,45,66,.1) 45%);
}
.hero__content{
  position: relative;
  z-index: 1;
  padding-bottom: 8vh;
  padding-top: 160px;
}
.hero h1{
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  margin-bottom: .25em;
}
.hero__lead{
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  max-width: 44ch;
  color: rgba(255,255,255,.92);
}
.hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.2rem;
}

/* ==========================================================================
   Split (image + text) blocks
   ========================================================================== */
.split{
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.split--reverse{ grid-template-columns: 1.15fr .85fr; }
.split--reverse .split__media{ order: 2; }
.split__media img{
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}
.split--reverse .split__media img{ aspect-ratio: 5/4; }

.split__content h2{ margin-bottom: .6em; }
.split__content p{ color: var(--color-ink-soft); font-size: 1.05rem; }
.split__content p strong{ color: var(--color-ink); }

.certif-title{
  font-family: var(--font-sans);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-ink);
  margin-top: 2rem;
  margin-bottom: .9em;
}
.pill-list{
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}
.pill-list li{
  background: var(--color-mist);
  border: 1px solid var(--color-border);
  color: var(--color-ink-soft);
  font-size: .82rem;
  font-weight: 500;
  padding: .5em 1em;
  border-radius: 999px;
}

/* ==========================================================================
   Photo gallery
   ========================================================================== */
.photo-banner{
  width: 100%;
  aspect-ratio: 21/9;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-top: 3rem;
}
.photo-gallery{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}
.photo-gallery img{
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease;
}
.photo-gallery img:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Services grid
   ========================================================================== */
.service-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.service-grid--compact{
  grid-template-columns: repeat(2, minmax(0, 340px));
}
.service-card{
  background: var(--color-mist);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.service-card__icon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: #fff;
  margin-bottom: 1.1em;
}
.service-card__icon svg{ width: 24px; height: 24px; }
.service-card h3{
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: .5em;
}
.service-card p{
  font-size: .92rem;
  color: var(--color-ink-soft);
  margin: 0;
}

/* ==========================================================================
   Réalisations — project grid
   ========================================================================== */
.section--realisations{ background: var(--color-mist); }

.project-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.2rem;
}

.project-card{
  background: var(--color-paper);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease;
  display: flex;
  flex-direction: column;
}
.project-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.project-card--featured{
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
}
.project-card--featured:hover{ transform: none; }

.project-card__media{
  position: relative;
  display: block;
  aspect-ratio: 16/10;
  background: var(--color-ink);
  overflow: hidden;
}
.project-card--featured .project-card__media{ aspect-ratio: auto; height: 100%; min-height: 320px; }
.project-card__media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.project-card:hover .project-card__media img{ transform: scale(1.045); }

.project-card__media--brand{
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}
.project-card__media--fae{
  background: linear-gradient(135deg, #1c1a86 0%, #7c1487 65%, #a0148c 100%);
}
.project-card__media--caroline{
  background: linear-gradient(160deg, #000000 0%, #171310 100%);
}
.project-card__media img.project-card__brand-logo{
  width: auto;
  height: auto;
  max-width: 260px;
  object-fit: contain;
  filter: drop-shadow(0 10px 24px rgba(0,0,0,.25));
  transition: transform .4s ease;
}
.project-card:hover .project-card__brand-logo{ transform: scale(1.05); }

.project-card__badge{
  position: absolute;
  top: 1.1rem;
  left: 1.1rem;
  background: rgba(255,255,255,.95);
  color: var(--color-primary-darker);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .5em .9em;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.project-card__body{
  padding: 1.7rem 1.8rem 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.project-card--featured .project-card__body{
  justify-content: center;
  padding: 2.6rem 3rem;
}
.project-card__logo{
  height: 30px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  object-position: left;
  margin-bottom: 1rem;
}
.project-card__body h3{
  font-size: 1.2rem;
  margin-bottom: .45em;
}
.project-card--featured .project-card__body h3{ font-size: 1.5rem; }
.project-card__body p{
  color: var(--color-ink-soft);
  font-size: .96rem;
  flex: 1;
}
.project-card__link{
  display: inline-flex;
  align-items: center;
  gap: .4em;
  margin-top: 1.1em;
  font-weight: 700;
  font-size: .92rem;
  color: var(--color-primary);
}
.project-card__link:hover{ color: var(--color-primary-dark); text-decoration: underline; }

.realisations-more{
  text-align: center;
  margin-top: 3rem;
}

/* ---------- Trust lists ---------- */
.trust{
  margin-top: 5rem;
  padding-top: 3.2rem;
  border-top: 1px solid var(--color-border);
}
.trust h3{
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: .4em;
}
.trust__intro{
  color: var(--color-ink-soft);
  max-width: 70ch;
  margin-bottom: 1.8rem;
}
.trust-list{
  columns: 3;
  column-gap: 2.5rem;
}
.trust-list li{
  font-size: .93rem;
  color: var(--color-ink-soft);
  padding: .38em 0;
  border-bottom: 1px dotted var(--color-border);
  break-inside: avoid;
}

.trust--compact{ margin-top: 3.5rem; padding-top: 2.5rem; }
.trust-list--inline{
  columns: initial;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}
.trust-list--inline li{
  border: none;
  background: var(--color-mist);
  border: 1px solid var(--color-border);
  padding: .5em 1.1em;
  border-radius: 999px;
  font-weight: 600;
  font-size: .88rem;
}

/* ==========================================================================
   Divider band
   ========================================================================== */
.section--divider{
  position: relative;
  padding: 0;
  height: 340px;
  overflow: hidden;
}
.section--divider img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
}
.section--divider::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8,25,38,.82), rgba(8,25,38,.28));
}
.section--divider__caption{
  position: absolute;
  left: 0; right: 0; bottom: 2.2rem;
  z-index: 1;
}
.section--divider__caption p{
  color: #fff;
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  margin: 0;
}

/* ==========================================================================
   Contact
   ========================================================================== */
.section--contact{
  background: linear-gradient(150deg, var(--color-primary-darker), var(--color-primary) 60%, #1596c2);
  color: #fff;
  text-align: center;
}
.section--contact h2{ color: #fff; }
.section--contact .section__lead{ margin-left: auto; margin-right: auto; }
.section--contact .btn{ margin-top: 2.4rem; }
.contact__location{
  margin-top: 1.6rem;
  color: rgba(255,255,255,.75);
  font-size: .92rem;
  letter-spacing: .02em;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{
  background: var(--color-ink);
  color: rgba(255,255,255,.7);
  padding: 3rem 0;
}
.site-footer__inner{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.6rem;
}
.site-footer__logo{
  height: 34px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .85;
}
.site-footer__nav{
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  font-size: .9rem;
  font-weight: 500;
}
.site-footer__nav a:hover{ color: #fff; }
.site-footer__legal{
  flex-basis: 100%;
  font-size: .8rem;
  color: rgba(255,255,255,.45);
  margin: 0;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(255,255,255,.1);
}

/* ==========================================================================
   Contact page
   ========================================================================== */
.contact-grid{
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.contact-info h2{
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}
.contact-info__list{
  margin-bottom: 2rem;
}
.contact-info__list li{
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 1.02rem;
}
.contact-info__list li:last-child{ border-bottom: none; }
.contact-info__list a{
  color: var(--color-primary);
  font-weight: 600;
}
.contact-info__list a:hover{ color: var(--color-primary-dark); }
.contact-info__label{
  display: block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-bottom: .35em;
}
.contact-map{
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  line-height: 0;
}

.contact-form{
  background: var(--color-mist);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}
.form-row{ margin-bottom: 1.3rem; }
.form-row label{
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: .45em;
}
.form-row input,
.form-row textarea{
  width: 100%;
  font: inherit;
  font-size: .98rem;
  padding: .8em .9em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-ink);
}
.form-row input:focus,
.form-row textarea:focus{
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(18,121,171,.15);
}
.form-row textarea{ resize: vertical; min-height: 120px; }
.form-row--honeypot{
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  margin: 0;
}
.contact-form .btn{ width: 100%; justify-content: center; border: none; cursor: pointer; }
.form-note{
  margin: 1rem 0 0;
  font-size: .92rem;
  font-weight: 600;
  text-align: center;
}
.form-note--success{ color: #1a7a4c; }
.form-note--error{ color: #b3261e; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .service-grid{ grid-template-columns: repeat(2, 1fr); }
  .project-grid{ grid-template-columns: repeat(2, 1fr); }
  .project-card--featured{ grid-template-columns: 1fr; }
  .project-card--featured .project-card__media{ aspect-ratio: 16/10; min-height: 0; }
  .trust-list{ columns: 2; }
  .photo-gallery{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px){
  html{ scroll-padding-top: 66px; }
  .site-header__inner{ height: 64px; }
  .brand__logo{ height: 38px; }

  .nav{
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .5rem 24px 1.4rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    border-bottom: 1px solid var(--color-border);
  }
  .nav.is-open{ opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav a{ padding: .9em 0; border-bottom: 1px solid var(--color-border); }
  .nav__cta{ text-align: center; margin-top: .9em; border-bottom: none !important; }
  .nav-toggle{ display: flex; }
  .nav-toggle.is-active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-active span:nth-child(2){ opacity: 0; }
  .nav-toggle.is-active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  .hero__content{ padding-top: 120px; }

  .section{ padding: 64px 0; }
  .section--tight{ padding: 56px 0 24px; }

  .split, .split--reverse{ grid-template-columns: 1fr; }
  .split--reverse .split__media{ order: 0; }
  .split__media{ margin-bottom: 1rem; }

  .service-grid{ grid-template-columns: 1fr 1fr; gap: 1rem; }

  .project-grid{ grid-template-columns: 1fr; }
  .project-card--featured .project-card__body{ padding: 2rem 1.6rem; }

  .trust-list{ columns: 1; }

  .section--divider{ height: 220px; }

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

  .site-footer__inner{ flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px){
  .service-grid{ grid-template-columns: 1fr; }
  .hero__actions{ flex-direction: column; align-items: stretch; }
  .hero__actions .btn{ justify-content: center; }
}