/* ============================================================
   ATF Ingénierie — CSS (thème CLAIR)
   Design: moderne, épuré, fond blanc, accent bleu
   ============================================================ */

/* ---------- CUSTOM PROPERTIES ---------- */
:root {
  --color-bg:        #ffffff;
  --color-bg-alt:    #f5f6fa;
  --color-surface:   #f0f2f8;
  --color-border:    rgba(0,0,0,.08);
  --color-border-md: rgba(0,0,0,.12);
  --color-text:      #1a1a2e;
  --color-muted:     #6b7094;
  --color-accent:    #2c5fff;
  --color-accent-2:  #7c5cfa;
  --color-accent-light: rgba(44,95,255,.08);
  --color-dark:      #0f1126;

  --font-body:   'Inter', system-ui, sans-serif;
  --font-head:   'Syne', system-ui, sans-serif;

  --nav-h:       72px;
  --radius:      12px;
  --radius-lg:   20px;

  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);

  --shadow-sm:   0 1px 4px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --shadow-md:   0 4px 24px rgba(0,0,0,.09), 0 1px 4px rgba(0,0,0,.04);
  --shadow-lg:   0 12px 48px rgba(0,0,0,.12), 0 4px 16px rgba(0,0,0,.06);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }
input, textarea, select { font: inherit; }

/* ---------- CONTAINER ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ---------- TYPOGRAPHY ---------- */
.section-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  background: var(--color-accent-light);
  padding: .3rem .8rem;
  border-radius: 100px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-dark);
  margin-bottom: 1.25rem;
}
.section-sub {
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 55ch;
}
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header .section-sub { margin-inline: auto; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 1.75rem;
  border-radius: 100px;
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .01em;
  transition: all .3s var(--ease-out);
  position: relative;
}
.btn svg { width: 1rem; height: 1rem; flex-shrink: 0; }

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(44,95,255,.25);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(44,95,255,.4);
  background: #1a4aee;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border-md);
}
.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--dark {
  background: var(--color-dark);
  color: #fff;
}
.btn--dark:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(15,17,38,.3);
}

.btn--outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.35);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.7);
}

.btn--full { width: 100%; justify-content: center; }

/* ---------- NAV ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background .4s, border-color .4s, box-shadow .4s;
}
.nav.scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 20px rgba(0,0,0,.06);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: baseline;
  gap: .4rem;
  font-family: var(--font-head);
  font-weight: 700;
}
.nav__logo-mark {
  font-size: 1.3rem;
  color: var(--color-accent);
  letter-spacing: .05em;
}
.nav__logo-label {
  font-size: .9rem;
  color: var(--color-muted);
  font-weight: 400;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav__link {
  font-size: .88rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color .25s;
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width .3s var(--ease-out);
}
.nav__link:hover, .nav__link.active { color: var(--color-dark); }
.nav__link:hover::after, .nav__link.active::after { width: 100%; }

.nav__cta {
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-accent);
  padding: .5rem 1.2rem;
  border: 1.5px solid var(--color-accent);
  border-radius: 100px;
  transition: all .25s var(--ease-out);
}
.nav__cta:hover {
  background: var(--color-accent);
  color: #fff;
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
}
.nav__burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-dark);
  transition: all .3s var(--ease-out);
  transform-origin: center;
  border-radius: 2px;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- MOBILE MENU ---------- */
.mobile-menu {
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s var(--ease-out);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}
.mobile-menu__link {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-muted);
  transition: color .25s;
}
.mobile-menu__link:hover { color: var(--color-dark); }

/* ---------- REVEAL ANIMATION ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal--delay-1 { transition-delay: .1s; }
.reveal--delay-2 { transition-delay: .2s; }
.reveal--delay-3 { transition-delay: .3s; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: clip;
  background: #fff;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(44,95,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44,95,255,.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 90% 80% at 60% 40%, black 20%, transparent 100%);
}
.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
}
.hero__blob--1 {
  width: 700px; height: 700px;
  top: -200px; right: -150px;
  background: radial-gradient(circle, rgba(44,95,255,.12) 0%, rgba(124,92,250,.06) 60%, transparent 100%);
  animation: blobFloat 10s ease-in-out infinite;
}
.hero__blob--2 {
  width: 400px; height: 400px;
  bottom: -80px; left: -80px;
  background: radial-gradient(circle, rgba(124,92,250,.08) 0%, transparent 70%);
  animation: blobFloat 14s ease-in-out infinite reverse;
}
.hero__blob--3 {
  width: 250px; height: 250px;
  top: 30%; left: 40%;
  background: radial-gradient(circle, rgba(44,200,255,.07) 0%, transparent 70%);
  animation: blobFloat 18s ease-in-out infinite 3s;
}
@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(25px, -20px) scale(1.04); }
  66%       { transform: translate(-15px, 15px) scale(.97); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-block: 7rem 6rem;
}
.hero__content {}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .4rem 1rem;
  border: 1.5px solid rgba(44,95,255,.2);
  border-radius: 100px;
  color: var(--color-accent);
  margin-bottom: 2rem;
  background: var(--color-accent-light);
}
.hero__badge-dot {
  width: 6px; height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.7); }
}
.hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-size: 1.05rem;
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 48ch;
  margin-bottom: 2.5rem;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero visuel */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2.5rem 2.5rem 2.5rem 1rem;
}
.hero__visual-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  width: 100%;
  max-width: 460px;
}
.hero__visual-img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  display: block;
}
.hero__visual-overlay {
  padding: 1.5rem;
  background: #fff;
}
.hero__visual-stat {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hero__visual-stat-icon {
  width: 44px; height: 44px;
  background: var(--color-accent-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}
.hero__visual-stat-icon svg { width: 22px; height: 22px; }
.hero__visual-stat-num {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1;
}
.hero__visual-stat-label {
  font-size: .8rem;
  color: var(--color-muted);
  margin-top: .15rem;
}
/* Floating badges */
.hero__float {
  position: absolute;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: .75rem 1rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--color-dark);
  white-space: nowrap;
  animation: floatY 4s ease-in-out infinite;
}
.hero__float--1 { top: .5rem; right: .5rem; animation-delay: 0s; }
.hero__float--2 { bottom: 4rem; left: -.5rem; animation-delay: 1.5s; }
.hero__float-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.hero__float-icon--green  { background: rgba(34,197,94,.12); color: #16a34a; }
.hero__float-icon--orange { background: rgba(249,115,22,.12); color: #ea580c; }
.hero__float-icon svg { width: 16px; height: 16px; }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  color: var(--color-muted);
  font-size: .68rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: .7; }
  50%       { transform: scaleY(.5); opacity: .2; }
}

/* ---------- CLIENTS / LOGOS BAND ---------- */
.logos-band {
  padding: 3rem 0;
  border-block: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.logos-band__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.logos-band__label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  white-space: nowrap;
  margin-right: .5rem;
}
.logos-band__logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  color: var(--color-muted);
  opacity: .5;
  letter-spacing: .05em;
  transition: opacity .25s;
  padding: .25rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
}
.logos-band__logo:hover { opacity: .8; }

/* ---------- STATS ---------- */
.stats {
  padding: 6rem 0;
  background: var(--color-dark);
}
.stats__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat {
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
}
.stat + .stat::before {
  content: '';
  position: absolute;
  left: 0; top: 25%; bottom: 25%;
  width: 1px;
  background: rgba(255,255,255,.08);
}
.stat__number {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: .5rem;
  background: linear-gradient(135deg, #fff 40%, rgba(44,95,255,.8));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat__label {
  font-size: .85rem;
  color: rgba(255,255,255,.45);
  letter-spacing: .05em;
}

/* ---------- EXPERTISE ---------- */
.expertise {
  padding: 8rem 0;
  background: var(--color-bg);
}
.expertise__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.expertise__card {
  padding: 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: border-color .3s, transform .3s var(--ease-out), box-shadow .3s;
  cursor: default;
  position: relative;
  overflow: hidden;
}
.expertise__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent-light) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .3s;
}
.expertise__card:hover {
  border-color: rgba(44,95,255,.3);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.expertise__card:hover::before { opacity: 1; }
.expertise__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 8px);
  margin-bottom: 1.5rem;
}
.expertise__icon {
  width: 48px; height: 48px;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
  background: var(--color-accent-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.expertise__icon svg { width: 26px; height: 26px; }
.expertise__card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: .75rem;
  position: relative;
  z-index: 1;
}
.expertise__card p {
  font-size: .9rem;
  color: var(--color-muted);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* ---------- SERVICES ---------- */
.services {
  padding: 8rem 0;
  background: var(--color-bg-alt);
}
.services__list {
  display: flex;
  flex-direction: column;
}
.service-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: start;
  gap: 2rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: all .25s;
  position: relative;
}
.service-item::before {
  content: '';
  position: absolute;
  inset: 0 -1.5rem;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transition: opacity .3s;
  z-index: 0;
}
.service-item:hover::before { opacity: 1; }
.service-item > * { position: relative; z-index: 1; }
.service-item:first-child { border-top: 1px solid var(--color-border); }
.service-item__num {
  font-family: var(--font-head);
  font-size: .72rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: .15em;
  padding-top: .3rem;
  opacity: .6;
}
.service-item__content h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: .5rem;
  transition: color .25s;
}
.service-item:hover .service-item__content h3 { color: var(--color-accent); }
.service-item__content p {
  font-size: .88rem;
  color: var(--color-muted);
  line-height: 1.75;
  max-width: 52ch;
}
.service-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  justify-content: flex-end;
  padding-top: .25rem;
}
.service-item__tags span {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .3rem .65rem;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-muted);
  background: #fff;
  white-space: nowrap;
  transition: border-color .25s, color .25s, background .25s;
}
.service-item:hover .service-item__tags span {
  border-color: rgba(44,95,255,.3);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

/* ---------- ENGAGEMENTS ---------- */
.engagements {
  padding: 8rem 0;
  background: var(--color-bg);
}
.engagements__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.engagements__text .section-title { margin-top: .5rem; }
.engagements__text p {
  color: var(--color-muted);
  line-height: 1.85;
  font-size: 1rem;
  margin-bottom: 0;
}
.engagements__image-block {
  position: relative;
}
.engagements__img-main {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.engagements__img-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 8px 30px rgba(44,95,255,.35);
  text-align: center;
  min-width: 130px;
}
.engagements__img-badge strong {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}
.engagements__img-badge span {
  font-size: .75rem;
  opacity: .8;
  margin-top: .2rem;
  display: block;
}

.engagements__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2.5rem;
}
.engagement-card {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: border-color .3s, transform .3s var(--ease-out), box-shadow .3s;
}
.engagement-card:hover {
  border-color: rgba(44,95,255,.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.engagement-card__icon {
  width: 36px; height: 36px;
  color: var(--color-accent);
  margin-bottom: .9rem;
  background: var(--color-accent-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.engagement-card__icon svg { width: 18px; height: 18px; }
.engagement-card h4 {
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: .4rem;
}
.engagement-card p {
  font-size: .82rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ---------- CTA BAND ---------- */
.cta-band {
  padding: 6rem 0;
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(44,95,255,.2) 0%, transparent 70%);
  pointer-events: none;
}
.cta-band__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}
.cta-band__label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(44,95,255,.7);
  margin-bottom: .75rem;
}
.cta-band__text {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.cta-band__actions {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ---------- CONTACT ---------- */
.contact {
  padding: 8rem 0;
  background: var(--color-bg-alt);
}
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}
.contact__info .section-title { margin-top: .5rem; }
.contact__info > p {
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  font-size: .97rem;
}
.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact__details li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact__detail-icon {
  width: 40px; height: 40px;
  background: var(--color-accent-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}
.contact__detail-icon svg { width: 18px; height: 18px; }
.contact__details strong {
  display: block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: .2rem;
}
.contact__details span,
.contact__details a {
  font-size: .93rem;
  color: var(--color-text);
  transition: color .25s;
}
.contact__details a:hover { color: var(--color-accent); }

/* Form */
.contact__form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}
.contact__form form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.form-group label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: .8rem 1rem;
  color: var(--color-text);
  font-size: .93rem;
  transition: border-color .25s, box-shadow .25s, background .25s;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7094' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: .9rem;
  background-color: var(--color-bg-alt);
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group select option { background: #fff; color: var(--color-text); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(107,112,148,.45); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(44,95,255,.1);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,.08);
}
.form-legal {
  font-size: .72rem;
  color: var(--color-muted);
  text-align: center;
}
.form-success {
  text-align: center;
  padding: 3rem 2rem;
  border: 1px solid rgba(44,95,255,.15);
  border-radius: var(--radius-lg);
  background: var(--color-accent-light);
  color: var(--color-text);
  display: none;
}
.form-success h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--color-dark);
  margin-bottom: .75rem;
}

/* ---------- FOOTER ---------- */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 3rem;
  align-items: start;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.footer__brand .nav__logo-mark { font-size: 1.5rem; }
.footer__brand p {
  margin-top: .75rem;
  font-size: .83rem;
  color: var(--color-muted);
  line-height: 1.7;
}
.footer__links-title {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1rem;
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.footer__links a {
  font-size: .88rem;
  color: var(--color-muted);
  transition: color .25s;
}
.footer__links a:hover { color: var(--color-accent); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__bottom p {
  font-size: .78rem;
  color: var(--color-muted);
}
.footer__bottom-links {
  display: flex;
  gap: 1.5rem;
}
.footer__bottom-links a {
  font-size: .78rem;
  color: var(--color-muted);
  transition: color .25s;
}
.footer__bottom-links a:hover { color: var(--color-accent); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 3rem; padding-block: 6rem 5rem; }
  .hero__visual { display: none; }
  .stats__inner { grid-template-columns: repeat(2, 1fr); }
  .expertise__grid { grid-template-columns: repeat(2, 1fr); }
  .expertise__grid .expertise__card:last-child { grid-column: 1 / -1; }
  .service-item { grid-template-columns: 60px 1fr; }
  .service-item__tags { display: none; }
  .engagements__inner { grid-template-columns: 1fr; gap: 4rem; }
  .engagements__image-block { order: -1; }
  .engagements__cards { margin-top: 0; }
  .contact__inner { grid-template-columns: 1fr; gap: 3rem; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .hero__title { font-size: clamp(2rem, 8vw, 3rem); }
  .stats__inner { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .stat + .stat::before { display: none; }
  .expertise__grid { grid-template-columns: 1fr; }
  .expertise__grid .expertise__card:last-child { grid-column: auto; }
  .service-item { grid-template-columns: 48px 1fr; gap: 1rem; }
  .engagements__cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-band__inner { flex-direction: column; text-align: center; }
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
  .logos-band { display: none; }
}

@media (max-width: 480px) {
  .container { padding-inline: 1.25rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { text-align: center; justify-content: center; }
  .cta-band__actions { flex-direction: column; width: 100%; }
  .contact__form { padding: 1.5rem; }
}

/* ---------- CUSTOM CURSOR ---------- */
@media (pointer: fine) {
  .cursor {
    position: fixed;
    top: 0; left: 0;
    width: 8px; height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%,-50%);
    transition: width .2s, height .2s;
    mix-blend-mode: multiply;
  }
  .cursor-follower {
    position: fixed;
    top: 0; left: 0;
    width: 32px; height: 32px;
    border: 1.5px solid rgba(44,95,255,.3);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%,-50%);
    transition: width .3s, height .3s, border-color .3s;
  }
}

/* ---------- SELECTION ---------- */
::selection {
  background: rgba(44,95,255,.18);
  color: var(--color-dark);
}