/* ============================================
   2SM Service — Modern Design System
   Palette: Deep Teal + Soft Emerald (Trust + Freshness)
   ============================================ */

:root {
  --primary: #0B3C49;
  --primary-dark: #062A33;
  --primary-light: #0E4D5C;
  --accent: #14B8A6;
  --accent-hover: #0D9488;
  --accent-soft: #CCFBF1;
  --bg: #F8FAFB;
  --bg-alt: #FFFFFF;
  --text: #0F172A;
  --text-muted: #64748B;
  --border: rgba(11, 60, 73, 0.08);
  --shadow: 0 20px 50px rgba(11, 60, 73, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --font-body: 'Manrope', system-ui, sans-serif;
  --font-display: 'Syne', system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: auto; /* Lenis handles it */
}

html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

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

h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========== NAV ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: background 0.4s, padding 0.4s, box-shadow 0.4s;
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 30px rgba(11, 60, 73, 0.06);
  padding: 0.75rem 0;
}

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

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.3s;
}

.brand span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  position: relative;
  transition: color 0.3s;
}

.navbar.scrolled .brand,
.navbar.nav-on-light .brand {
  color: var(--primary);
}

.navbar.scrolled .nav-links a,
.navbar.nav-on-light .nav-links a {
  color: var(--text);
}

.navbar.nav-on-light .menu-toggle span {
  background: var(--primary);
}

.navbar.nav-on-light .nav-cta {
  background: var(--primary);
  color: #fff !important;
}

.navbar.nav-on-light .nav-cta:hover {
  background: var(--accent);
  color: #062A33 !important;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}

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

.nav-cta {
  background: var(--accent);
  color: #062A33 !important;
  padding: 0.65rem 1.4rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.nav-cta:hover {
  background: #fff;
  color: var(--primary) !important;
  transform: translateY(-1px);
}

.navbar.scrolled .nav-cta {
  background: var(--primary);
  color: #fff !important;
}

.navbar.scrolled .nav-cta:hover {
  background: var(--accent);
  color: #062A33 !important;
}

.nav-cta::after {
  display: none !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  position: absolute;
  left: 0;
  transition: 0.3s;
}

.navbar.scrolled .menu-toggle span {
  background: var(--primary);
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }

.menu-toggle.open span:nth-child(1) {
  top: 9px;
  transform: rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  top: 9px;
  transform: rotate(-45deg);
}

/* Mobile nav */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: white;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .nav-links.open {
    right: 0;
  }
  .menu-toggle {
    display: block;
  }
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(165deg, #F0FDFA 0%, #F8FAFB 45%, #FFFFFF 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: normal;
  color: var(--accent);
}

.hero-text {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.8rem;
  border-radius: 50px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(20, 184, 166, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
}

.stat-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--primary);
  line-height: 1;
}

.stat-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-visual {
  position: relative;
}

.hero-img-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-img-wrap img {
  width: 100%;
  height: 520px;
  object-fit: cover;
}

.hero-float {
  position: absolute;
  background: white;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 15px 40px rgba(11, 60, 73, 0.12);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}

.hero-float i {
  width: 40px;
  height: 40px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.float-1 {
  bottom: 30px;
  left: -20px;
}

.float-2 {
  top: 40px;
  right: -15px;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-img-wrap img {
    height: 360px;
  }
  .float-1, .float-2 {
    display: none;
  }
}

/* ========== SECTION COMMON ========== */
.section {
  padding: 70px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--primary);
  margin-bottom: 1rem;
}

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

/* ========== PILLARS (2 activités) ========== */
.pillars {
  background: var(--bg-alt);
}

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.pillar-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.5rem;
  color: white;
  transition: var(--transition);
}

.pillar-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 42, 51, 0.92) 0%, rgba(6, 42, 51, 0.4) 50%, rgba(6, 42, 51, 0.2) 100%);
  z-index: 1;
  transition: var(--transition);
}

.pillar-card:hover::before {
  background: linear-gradient(to top, rgba(6, 42, 51, 0.95) 0%, rgba(11, 60, 73, 0.6) 60%, rgba(20, 184, 166, 0.3) 100%);
}

.pillar-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.pillar-card:hover img {
  transform: scale(1.06);
}

.pillar-content {
  position: relative;
  z-index: 2;
}

.pillar-icon {
  width: 52px;
  height: 52px;
  background: rgba(20, 184, 166, 0.25);
  border: 1px solid rgba(20, 184, 166, 0.4);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.pillar-card h3 {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.pillar-card p {
  opacity: 0.9;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.pillar-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
}

.pillar-link:hover {
  gap: 0.75rem;
}

@media (max-width: 768px) {
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .pillar-card {
    min-height: 400px;
  }
}

/* ========== FEATURES / WHY US ========== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.why-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

.why-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.why-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
}

.why-card h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 0.6rem;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

@media (max-width: 900px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== CTA BANNER ========== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 50%;
  height: 200%;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, transparent 60%);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  max-width: 500px;
}

.cta-inner p {
  opacity: 0.85;
  margin-top: 0.75rem;
  max-width: 420px;
}

.btn-light {
  background: white;
  color: var(--primary);
}

.btn-light:hover {
  background: var(--accent);
  color: white;
}

@media (max-width: 768px) {
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ========== FOOTER ========== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.footer-brand span {
  color: var(--accent);
}

.footer h4 {
  color: white;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 0.6rem;
}

.footer a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 500px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== PAGE HEADER (inner pages) ========== */
.page-hero {
  padding: 140px 0 70px;
  background: linear-gradient(165deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: linear-gradient(to top, var(--bg), transparent);
}

.page-hero .section-label {
  color: var(--accent);
}

.page-hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
}

.page-hero p {
  max-width: 560px;
  opacity: 0.9;
  font-size: 1.1rem;
}

/* ========== SERVICE DETAIL ========== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  transition: var(--transition);
}

.service-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.service-item .num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 2rem;
}

.service-item h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.service-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

@media (max-width: 700px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== CONTACT FORM ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-card {
  background: var(--primary);
  color: white;
  border-radius: var(--radius);
  padding: 2.5rem;
}

.contact-info-card h3 {
  margin-bottom: 1.5rem;
}

.info-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.info-row i {
  width: 40px;
  height: 40px;
  background: rgba(20, 184, 166, 0.2);
  color: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.form-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--bg);
  transition: border-color 0.3s;
}

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

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

@media (max-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== UTILITIES ========== */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 2rem; }

/* GSAP reveal helpers — no opacity:0 in CSS (avoids invisible content if JS fails) */
.reveal,
.reveal-left,
.reveal-right {
  will-change: transform, opacity;
}

/* ========== SCROLL MARQUEE (bande de texte synchronisée) ========== */
.marquee-section {
  background: var(--primary-dark);
  color: white;
  padding: 1.25rem 0;
  overflow: hidden;
  border-top: 1px solid rgba(20, 184, 166, 0.2);
  border-bottom: 1px solid rgba(20, 184, 166, 0.2);
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 0;
  will-change: transform;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0 2rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.9);
}

.marquee-item .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.section + .section {
  padding-top: 50px;
}

.section-soft {
  background: linear-gradient(180deg, #F0F7F7 0%, #F8FAFB 100%);
}

/* ========== RÉFÉRENCES / LOGOS ========== */
.logos-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem 2.5rem;
}

.logo-item {
  min-width: 120px;
  height: 64px;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary);
  opacity: 0.75;
  transition: var(--transition);
}

.logo-item:hover {
  opacity: 1;
  border-color: var(--accent);
}

.logo-item img {
  max-height: 40px;
  max-width: 120px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--transition);
}

.logo-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

@media (max-width: 700px) {
  .refs-grid,
  section .refs-grid {
    grid-template-columns: 1fr !important;
  }
}