/*
Theme Name: Référence Drone Sécurité One Page
Theme URI: https://securite.reference-drone.fr
Author: Référence Drone
Description: Thème WordPress one-page moderne pour Référence Drone Sécurité.
Version: 3.0.0
Requires at least: 6.0
Tested up to: 6.6
Text Domain: reference-drone-securite
*/

/* ─── Tokens ─────────────────────────────────────────────── */
:root {
  --black:   #1A1A1A;
  --deep:    #050505;
  --orange:  #FF7A00;
  --orange2: #FF9A3C;
  --white:   #FFFFFF;
  --muted:   rgba(255,255,255,.62);
  --line:    rgba(255,122,0,.32);
  --card:    rgba(255,255,255,.045);
  --border:  rgba(255,255,255,.10);
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html  { scroll-behavior: smooth; }
body  { margin: 0; background: var(--black); color: var(--white);
        font-family: Montserrat, Arial, sans-serif; overflow-x: hidden; }
a     { color: inherit; text-decoration: none; }
img   { max-width: 100%; display: block; }

/* ─── Page wrapper ───────────────────────────────────────── */
.rds-page {
  background:
    radial-gradient(circle at 70% 0%, rgba(255,122,0,.14), transparent 35%),
    linear-gradient(180deg, #050505 0%, #1A1A1A 45%, #050505 100%);
  min-height: 100vh;
}

/* ─── Navigation ─────────────────────────────────────────── */
.rds-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px clamp(18px, 4vw, 62px);
  background: linear-gradient(180deg, rgba(5,5,5,.88), rgba(5,5,5,0));
  backdrop-filter: blur(12px);
  transition: padding .3s ease, background .3s ease;
}
.rds-nav.scrolled {
  background: rgba(5,5,5,.95);
  padding-top: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.rds-nav__mark { display: flex; align-items: center; line-height: 0; }
.rds-nav__logo {
  height: 42px; width: auto;
  transition: height .3s, opacity .2s;
  display: block;
}
.rds-nav__logo:hover { opacity: .85; }
.rds-nav.scrolled .rds-nav__logo { height: 32px; }

/* Social icons footer */
.rds-footer__social {
  display: flex; gap: 10px; margin-top: 18px;
}
.rds-footer__social-link {
  width: 36px; height: 36px;
  border: 1px solid var(--border); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); transition: border-color .2s, color .2s, background .2s;
}
.rds-footer__social-link:hover {
  border-color: var(--orange); color: var(--orange);
  background: rgba(255,122,0,.08);
}
.rds-footer__social-link svg { width: 16px; height: 16px; }

.rds-nav__links {
  display: flex; gap: 28px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .18em; color: var(--muted);
}
.rds-nav__links a { position: relative; padding-bottom: 3px; transition: color .2s; }
.rds-nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px; background: var(--orange); transition: width .25s;
}
.rds-nav__links a:hover { color: var(--white); }
.rds-nav__links a:hover::after { width: 100%; }

/* Hamburger */
.rds-burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.rds-burger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px; transition: .3s;
}
.rds-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.rds-burger.open span:nth-child(2) { opacity: 0; }
.rds-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.rds-nav__drawer {
  display: none; position: fixed;
  top: 0; left: 0; right: 0; bottom: 0; z-index: 49;
  background: rgba(5,5,5,.97); backdrop-filter: blur(16px);
  flex-direction: column; align-items: center; justify-content: center;
  gap: 36px;
}
.rds-nav__drawer.open { display: flex; }
.rds-nav__drawer a {
  font-size: 22px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .2em; color: var(--muted); transition: color .2s;
}
.rds-nav__drawer a:hover { color: var(--orange); }

/* ─── Hero ───────────────────────────────────────────────── */
.rds-hero {
  position: relative; min-height: 100svh;
  display: grid; place-items: center;
  padding: 110px 22px 70px; isolation: isolate; overflow: hidden;
}
.rds-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.82), rgba(0,0,0,.42)),
    url('assets/img/hero-supervision.png') center / cover no-repeat;
  z-index: -2;
}
.rds-hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 50% 44%, rgba(255,122,0,.18), transparent 24%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 90px);
  z-index: -1; opacity: .75;
}
.rds-hero__inner { text-align: center; max-width: 1080px; }

.rds-logo-wrap {
  position: relative; margin: 0 auto 40px;
  width: min(520px, 80vw); display: grid; place-items: center;
  animation: logoEnter 1.4s cubic-bezier(.2,.8,.2,1) both;
}
.rds-logo-wrap::before,
.rds-logo-wrap::after {
  content: ""; position: absolute;
  border: 1px solid var(--line); border-radius: 50%;
  animation: pulseRing 3.2s infinite ease-out;
}
.rds-logo-wrap::before { width: 108%; aspect-ratio: 1/.28; }
.rds-logo-wrap::after  { width: 72%;  aspect-ratio: 1/.24; animation-delay: .65s; }

.rds-logo {
  filter: drop-shadow(0 0 28px rgba(255,122,0,.38));
  animation: logoFloat 4s ease-in-out infinite;
}

.rds-kicker {
  font-size: 11px; text-transform: uppercase;
  letter-spacing: .46em; color: var(--orange); margin-bottom: 18px;
}
.rds-title {
  font-size: clamp(32px, 6vw, 82px); line-height: .96;
  margin: 0 auto 22px; letter-spacing: .035em;
  text-transform: uppercase; font-weight: 900; max-width: 1000px;
}
.rds-type {
  display: inline-block; position: relative;
}
.rds-type::after {
  content: ""; display: inline-block;
  width: .08em; height: .8em;
  background: var(--orange); margin-left: .08em;
  vertical-align: -.08em; animation: blink .7s infinite;
}
.rds-lead {
  max-width: 760px; margin: 0 auto 32px;
  color: var(--muted); font-size: clamp(16px, 2vw, 20px); line-height: 1.75;
}
.rds-actions {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
}
.rds-btn {
  border: 1px solid var(--orange); border-radius: 999px;
  padding: 15px 26px; text-transform: uppercase;
  font-size: 11px; letter-spacing: .18em; font-weight: 800;
  transition: .25s ease;
}
.rds-btn--primary {
  background: var(--orange); color: #080808;
  box-shadow: 0 0 32px rgba(255,122,0,.28);
}
.rds-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(255,122,0,.22); }

/* ─── Sections ───────────────────────────────────────────── */
.rds-section { padding: 100px clamp(18px, 5vw, 80px); }
.rds-container { max-width: 1180px; margin: auto; }

.rds-section-title {
  font-size: clamp(26px, 3.8vw, 50px); line-height: 1.06;
  text-transform: uppercase; margin: 0 0 16px; letter-spacing: .06em;
}
.rds-section-sub {
  color: var(--muted); max-width: 660px;
  line-height: 1.75; margin: 0 0 40px;
}

/* ─── Card grid ──────────────────────────────────────────── */
.rds-grid        { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.rds-grid--compact { grid-template-columns: repeat(2,1fr); gap: 18px; margin-top: 32px; }

.rds-card {
  background: linear-gradient(160deg, rgba(255,255,255,.075), rgba(255,255,255,.02));
  border: 1px solid var(--border); border-radius: 24px;
  padding: 28px; min-height: 190px;
  position: relative; overflow: hidden;
  transition: transform .25s, border-color .25s;
}
.rds-card:hover { transform: translateY(-4px); border-color: var(--line); }
.rds-card::before {
  content: ""; position: absolute; left: 28px; top: 0;
  width: 48px; height: 3px;
  background: var(--orange); box-shadow: 0 0 18px var(--orange);
}
.rds-icon {
  width: 42px; height: 42px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  color: var(--orange);
}
.rds-icon svg { width: 100%; height: 100%; stroke: var(--orange); fill: none; stroke-width: 1.6; }
.rds-card h3 {
  margin: 0 0 10px; text-transform: uppercase;
  letter-spacing: .09em; font-size: 14px;
}
.rds-card p { margin: 0; color: var(--muted); line-height: 1.65; font-size: 13.5px; }

/* ─── Photo split ────────────────────────────────────────── */
.rds-photo-split         { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.rds-photo-split--reverse { grid-template-columns: 1.05fr .95fr; }
.rds-photo-split--reverse .rds-photo { order: 2; }

.rds-photo {
  border-radius: 28px; overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 32px 90px rgba(0,0,0,.48);
}

/* ─── List ───────────────────────────────────────────────── */
.rds-list { display: grid; gap: 10px; }
.rds-list span {
  display: flex; align-items: center; gap: 14px;
  border: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(255,122,0,.07), transparent);
  padding: 14px 18px; border-radius: 14px;
  color: var(--muted); font-size: 14px;
  border-left: 2px solid var(--orange);
  padding-left: 16px;
}
.rds-list span::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--orange); box-shadow: 0 0 12px var(--orange);
  flex: 0 0 auto;
}

/* ─── Panel section ──────────────────────────────────────── */
.rds-section--panel {
  background:
    radial-gradient(circle at 50% 0%, rgba(255,122,0,.14), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}

/* ─── Icônes SVG custom (colorisation orange) ────────────── */
/* Filtre calculé pour #FF7A00 */
.rds-icon-orange {
  filter: brightness(0) saturate(100%)
          invert(48%) sepia(97%) saturate(1200%)
          hue-rotate(5deg) brightness(105%) contrast(102%);
}

/* ─── Flow icon ──────────────────────────────────────────── */
.rds-flow-icon {
  width: 72px; height: 72px; margin-bottom: 20px;
  background: rgba(255,122,0,.08);
  border: 1px solid var(--line);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  padding: 14px;
  transition: background .25s, border-color .25s;
}
.rds-flow div:hover .rds-flow-icon {
  background: rgba(255,122,0,.18);
  border-color: var(--orange);
}
.rds-flow-icon svg { width: 100%; height: 100%; }

/* ─── Features bar (icônes plaquette) ───────────────────── */
.rds-features-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; margin: 40px 0 32px;
  border: 1px solid var(--border); border-radius: 20px;
  overflow: hidden;
}
.rds-feat {
  display: flex; align-items: center; gap: 14px;
  padding: 22px 20px;
  border-right: 1px solid var(--border);
  transition: background .2s;
}
.rds-feat:last-child { border-right: none; }
.rds-feat:hover { background: rgba(255,122,0,.07); }
.rds-feat-icon {
  width: 36px; height: 36px; flex: 0 0 36px;
}
.rds-feat-icon svg { width: 100%; height: 100%; }
.rds-feat span {
  font-size: 12px; color: var(--muted); line-height: 1.5;
  text-transform: uppercase; letter-spacing: .07em;
}
.rds-feat span strong {
  display: block; color: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: .12em;
}

/* ─── Flow steps ─────────────────────────────────────────── */
.rds-flow {
  display: grid; grid-template-columns: repeat(5,1fr); gap: 12px;
  margin: 44px 0 32px; counter-reset: step;
}
.rds-flow div {
  position: relative;
  background: rgba(0,0,0,.36);
  border: 1px solid rgba(255,122,0,.40);
  border-radius: 20px; padding: 24px 18px; min-height: 130px;
  counter-increment: step;
}
.rds-flow div::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; top: 16px; right: 18px;
  font-size: 11px; letter-spacing: .14em; color: var(--line);
  font-weight: 700;
}
.rds-flow div:not(:last-child)::after {
  content: '›'; position: absolute; right: -12px; top: 50%;
  transform: translateY(-50%);
  color: var(--orange); font-size: 36px; font-weight: 900; z-index: 2;
}
.rds-flow strong {
  display: block; color: var(--orange);
  text-transform: uppercase; letter-spacing: .08em;
  font-size: 12px; margin-bottom: 12px;
}
.rds-flow span { display: block; color: var(--white); font-size: 13.5px; line-height: 1.5; }

/* ─── Tech stats ─────────────────────────────────────────── */
.rds-tech {
  display: grid; grid-template-columns: repeat(6,1fr); gap: 14px;
}
.rds-tech div {
  border: 1px solid var(--line); border-radius: 18px;
  padding: 22px 14px; text-align: center;
  background: rgba(255,122,0,.05);
  transition: background .2s;
}
.rds-tech div:hover { background: rgba(255,122,0,.10); }
.rds-tech strong {
  display: block; font-size: 26px; font-weight: 900;
  color: var(--orange); margin-bottom: 8px; line-height: 1;
}
.rds-tech small {
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--muted); font-size: 10px;
}

/* ─── Section dark variant ───────────────────────────────── */
.rds-section--dark {
  background: #0d0d0d;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ─── Engagements grid ───────────────────────────────────── */
.rds-engage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 12px;
}
.rds-engage-card {
  background: linear-gradient(160deg, rgba(255,255,255,.065), rgba(255,255,255,.015));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 30px 26px;
  transition: border-color .25s, transform .25s;
  position: relative; overflow: hidden;
}
.rds-engage-card::before {
  content: ""; position: absolute; left: 28px; top: 0;
  width: 40px; height: 2.5px;
  background: var(--orange); box-shadow: 0 0 12px var(--orange);
}
.rds-engage-card:hover { border-color: var(--line); transform: translateY(-4px); }
.rds-engage-icon {
  width: 40px; height: 40px; margin-bottom: 18px; color: var(--orange);
}
.rds-engage-icon svg { width: 100%; height: 100%; }
.rds-engage-card h3 {
  font-size: 13px; font-weight: 800; text-transform: uppercase;
  letter-spacing: .09em; margin: 0 0 10px;
}
.rds-engage-card p { margin: 0; color: var(--muted); line-height: 1.65; font-size: 13.5px; }

/* CTA card */
.rds-engage-card--cta {
  background: linear-gradient(135deg, rgba(255,122,0,.14), rgba(255,122,0,.04));
  border-color: var(--line);
  display: flex; flex-direction: column; justify-content: center; gap: 14px;
}
.rds-engage-card--cta::before { display: none; }
.rds-engage-cta-text {
  font-size: 16px; font-weight: 700; line-height: 1.4; color: var(--white);
}
.rds-engage-btn {
  display: block; text-align: center;
  padding: 14px 22px;
  font-size: 11px; font-weight: 800; letter-spacing: .16em;
  text-transform: uppercase; border-radius: 999px;
  transition: .25s;
}
.rds-engage-btn-ghost {
  display: block; text-align: center;
  font-size: 12px; font-weight: 700; color: var(--muted);
  transition: color .2s;
}
.rds-engage-btn-ghost:hover { color: var(--orange); }

/* ─── Contact grid ───────────────────────────────────────── */
.rds-contact-grid {
  display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: start;
}

/* Contact card pro (style plaquette) */
.rds-contact-card-pro {
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 32px 28px;
  background: linear-gradient(145deg, rgba(255,122,0,.06), rgba(0,0,0,.18));
  display: flex; flex-direction: column; gap: 0;
}
.rds-contact-card-pro__logo {
  margin-bottom: 28px;
}
.rds-contact-card-pro__logo img {
  height: 52px; width: auto;
}
.rds-contact-card-pro__label {
  font-size: 9px; font-weight: 800; letter-spacing: .38em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 18px;
}
.rds-contact-card-pro__links {
  display: grid; gap: 12px; margin-bottom: 24px;
}
.rds-contact-card-pro__link {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; font-weight: 500; color: rgba(255,255,255,.8);
  transition: color .2s;
}
.rds-contact-card-pro__link:hover { color: var(--orange); }
.rds-contact-card-pro__link-icon {
  width: 32px; height: 32px; flex: 0 0 32px;
  border: 1px solid var(--line); border-radius: 10px;
  background: rgba(255,122,0,.08);
  display: flex; align-items: center; justify-content: center;
}
.rds-contact-card-pro__link-icon svg { width: 15px; height: 15px; }

.rds-contact-card-pro__divider {
  height: 1px; background: var(--border); margin: 20px 0;
}
.rds-contact-card-pro__features {
  display: grid; gap: 10px; margin-bottom: 4px;
}
.rds-contact-card-pro__feat {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--muted);
}
.rds-contact-card-pro__feat svg { width: 16px; height: 16px; flex: 0 0 16px; }
.rds-contact-card-pro__feat strong { color: var(--white); }

.rds-contact-card-pro__certs-label {
  font-size: 9px; font-weight: 800; letter-spacing: .28em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 14px;
}
.rds-contact-card-pro__certs {
  display: flex; gap: 14px;
}
.rds-contact-card-pro__cert {
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  flex: 1;
}
.rds-contact-card-pro__cert svg {
  width: 44px; height: 44px;
}
.rds-contact-card-pro__cert span {
  font-size: 9.5px; text-align: center; color: var(--muted);
  line-height: 1.4; letter-spacing: .04em;
}

/* ─── Form ───────────────────────────────────────────────── */
.rds-form {
  background: linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
  border: 1px solid var(--border); border-radius: 28px;
  padding: clamp(24px, 4vw, 42px);
}
.rds-form label {
  display: block; font-size: 9.5px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--orange); margin: 0 0 7px;
}
.rds-form input,
.rds-form textarea,
.rds-form select {
  width: 100%; background: rgba(0,0,0,.34);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--white); border-radius: 12px;
  padding: 13px 16px; margin-bottom: 16px;
  font: inherit; font-size: 14px; outline: none;
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none;
}
.rds-form input::placeholder,
.rds-form textarea::placeholder { color: rgba(255,255,255,.22); }
.rds-form input:focus,
.rds-form textarea:focus,
.rds-form select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,122,0,.11);
}
.rds-form select option { background: #1a1a1a; }
.rds-form textarea { min-height: 110px; resize: vertical; }

.rds-form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px;
}

.rds-submit {
  width: 100%; cursor: pointer;
  background: var(--orange); color: #090909;
  border: 0; border-radius: 999px;
  padding: 16px 22px; text-transform: uppercase;
  letter-spacing: .18em; font-weight: 900; font-size: 11px;
  font-family: inherit;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  transition: opacity .2s, transform .2s;
}
.rds-submit:hover { opacity: .9; transform: translateY(-1px); }

.rds-success {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); background: rgba(255,122,0,.1);
  padding: 14px 18px; border-radius: 12px; margin-bottom: 18px;
  font-size: 13px; color: var(--muted);
}
.rds-error {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid rgba(255,68,68,.35); background: rgba(255,68,68,.08);
  padding: 14px 18px; border-radius: 12px; margin-bottom: 18px;
  font-size: 13px; color: rgba(255,255,255,.7);
}

/* ─── Footer ─────────────────────────────────────────────── */
.rds-footer { border-top: 1px solid var(--border); }

.rds-footer__top {
  padding: 60px clamp(18px, 5vw, 80px) 48px;
}
.rds-footer__grid {
  max-width: 1180px; margin: auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
}
.rds-footer__logo {
  height: 72px; width: auto; margin-bottom: 20px;
  filter: brightness(1.05);
}
.rds-footer__desc {
  font-size: 13px; color: var(--muted); line-height: 1.7;
  max-width: 240px; margin-bottom: 18px;
}
.rds-footer__badges {
  display: flex; gap: 7px; flex-wrap: wrap;
}
.rds-footer__badges span {
  font-size: 9.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em;
  padding: 4px 11px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--orange);
  background: rgba(255,122,0,.07);
}
.rds-footer__col-title {
  font-size: 9.5px; font-weight: 800; letter-spacing: .22em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 18px;
}
.rds-footer__links {
  display: grid; gap: 11px;
}
.rds-footer__links a {
  font-size: 13px; color: var(--muted);
  transition: color .2s; line-height: 1;
}
.rds-footer__links a:hover { color: var(--white); }
.rds-footer__contact-items { display: grid; gap: 11px; }
.rds-footer__contact-item {
  display: flex; align-items: center; gap: 9px;
  font-size: 13px; color: var(--muted); transition: color .2s;
}
.rds-footer__contact-item:hover { color: var(--orange); }
.rds-footer__contact-item svg { flex: 0 0 14px; }
.rds-footer__cta-text {
  font-size: 13px; color: var(--muted); line-height: 1.65; margin-bottom: 18px;
}
.rds-footer__cta-btn {
  display: block; text-align: center;
  padding: 12px 20px; border-radius: 999px;
  background: var(--orange); color: #090909;
  font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
  transition: opacity .2s, transform .2s;
}
.rds-footer__cta-btn:hover { opacity: .88; transform: translateY(-1px); }

.rds-footer__bottom {
  border-top: 1px solid var(--border);
  padding: 20px clamp(18px, 5vw, 80px);
}
.rds-footer__bottom .rds-container {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px;
  font-size: 11px; letter-spacing: .08em; color: rgba(255,255,255,.24);
  text-transform: uppercase;
}

/* ─── Drone animated scene ───────────────────────────────── */
.rds-drone-scene {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  min-height: 560px;
  /* Pas de border-radius : le PNG transparent se fond dans le fond sombre */
}

/* Image principale — flottement du drone */
.rds-drone-img {
  width: 100%; max-width: 480px;
  height: auto; display: block; margin: auto;
  position: relative; z-index: 2;
  filter: drop-shadow(0 0 32px rgba(255,122,0,.18));
  animation: droneFloat 5s ease-in-out infinite;
  transform-origin: center top; /* pivote depuis le haut (point d'attache câble) */
}

/* Lumière ambiante orange sous le système */
.rds-drone-glow {
  position: absolute;
  bottom: 8%; left: 50%; transform: translateX(-50%);
  width: 55%; height: 30%;
  background: radial-gradient(ellipse, rgba(255,122,0,.22) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
  z-index: 1;
  pointer-events: none;
}

/* Faisceau lumineux sous le drone (projecteur) */
.rds-drone-beam {
  position: absolute;
  top: 4%; left: 50%; transform: translateX(-46%);
  width: 6px; height: 42%;
  background: linear-gradient(180deg, rgba(255,255,255,.22) 0%, transparent 100%);
  clip-path: polygon(30% 0%, 70% 0%, 100% 100%, 0% 100%);
  animation: beamPulse 3s ease-in-out infinite;
  z-index: 1;
  pointer-events: none;
}

@keyframes droneFloat {
  0%   { transform: translateY(0px) rotate(0deg); }
  25%  { transform: translateY(-14px) rotate(.4deg); }
  50%  { transform: translateY(-8px) rotate(0deg); }
  75%  { transform: translateY(-16px) rotate(-.3deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes glowPulse {
  0%, 100% { opacity: .6; transform: translateX(-50%) scaleX(1); }
  50%       { opacity: 1; transform: translateX(-50%) scaleX(1.15); }
}

@keyframes beamPulse {
  0%, 100% { opacity: .3; }
  50%       { opacity: .7; }
}

/* ─── Usage slider ───────────────────────────────────────── */
.rds-usage-slider {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 32px 80px rgba(0,0,0,.55);
  border: 1px solid var(--border);
}
.rds-usage-track {
  display: flex;
  width: 500%;
  height: 100%;
  transition: transform .85s cubic-bezier(.76,0,.24,1);
}
.rds-usage-slide {
  flex: 0 0 20%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.rds-usage-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 6s ease;
}
.rds-usage-slider:hover .rds-usage-slide img { transform: scale(1.04); }

.rds-usage-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 20px 22px 18px;
  background: linear-gradient(0deg, rgba(0,0,0,.78), transparent);
  font-size: 11px; font-weight: 800; text-transform: uppercase;
  letter-spacing: .18em; color: var(--white);
}
.rds-usage-caption::before {
  content: ""; display: inline-block;
  width: 20px; height: 2px; background: var(--orange);
  vertical-align: middle; margin-right: 10px;
}

/* Dots */
.rds-usage-dots {
  position: absolute; bottom: 16px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 6px; z-index: 4;
}
.rds-usage-dot {
  width: 24px; height: 3px; border-radius: 99px;
  background: rgba(255,255,255,.3);
  border: none; cursor: pointer; padding: 0;
  transition: background .3s, width .3s;
}
.rds-usage-dot.active {
  background: var(--orange); width: 36px;
}

/* Progress */
.rds-usage-progress {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: rgba(255,255,255,.06); z-index: 5;
}
.rds-usage-bar {
  height: 100%; background: var(--orange); width: 0;
}

/* ─── Scroll reveal ──────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ─── Keyframes ──────────────────────────────────────────── */
@keyframes logoEnter {
  from { opacity: 0; transform: scale(.82); filter: blur(12px); }
  to   { opacity: 1; transform: none; filter: none; }
}
@keyframes logoFloat { 50% { transform: translateY(-8px) scale(1.01); } }
@keyframes pulseRing {
  0%         { opacity: .7; transform: scale(.86); }
  80%, 100%  { opacity: 0;  transform: scale(1.2); }
}
@keyframes blink { 50% { opacity: 0; } }

/* ─── Responsive: tablet ─────────────────────────────────── */
@media (max-width: 920px) {
  .rds-nav__links { display: none; }
  .rds-burger     { display: flex; }
  .rds-grid       { grid-template-columns: repeat(2,1fr); }
  .rds-photo-split,
  .rds-photo-split--reverse { grid-template-columns: 1fr; }
  .rds-photo-split--reverse .rds-photo { order: 0; }
  .rds-tech       { grid-template-columns: repeat(3,1fr); }
  .rds-flow       { grid-template-columns: 1fr; gap: 28px; }
  .rds-flow div:not(:last-child)::after {
    content: '↓'; right: auto; left: 24px;
    top: auto; bottom: -22px; transform: none; font-size: 24px;
  }
  /* Engage */
  .rds-engage-grid    { grid-template-columns: repeat(2, 1fr); }
  /* Contact */
  .rds-contact-grid   { grid-template-columns: 1fr; }
  /* Features bar */
  .rds-features-bar   { grid-template-columns: repeat(2, 1fr); }
  .rds-feat:nth-child(2) { border-right: none; }
  .rds-feat:nth-child(1),
  .rds-feat:nth-child(2) { border-bottom: 1px solid var(--border); }
  /* Usage slider */
  .rds-usage-slider { aspect-ratio: 16/9; }
  /* Footer */
  .rds-footer__grid   { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ─── Responsive: mobile ─────────────────────────────────── */
@media (max-width: 560px) {
  .rds-nav  { padding: 16px 18px; }
  .rds-hero { padding-top: 90px; }
  .rds-logo-wrap { width: 90vw; margin-bottom: 28px; }
  .rds-title { font-size: 32px; }
  .rds-actions { display: grid; }
  .rds-btn { text-align: center; }
  .rds-section { padding: 72px 18px; }
  .rds-grid, .rds-tech, .rds-grid--compact { grid-template-columns: 1fr; }
  .rds-card { min-height: auto; }
  .rds-kicker { letter-spacing: .26em; }
  .rds-section-title { font-size: 28px; }
  .rds-photo { border-radius: 20px; }
  .rds-form  { border-radius: 22px; }
  .rds-form-row { grid-template-columns: 1fr; }
  /* Engage */
  .rds-engage-grid  { grid-template-columns: 1fr; }
  /* Features bar */
  .rds-features-bar { grid-template-columns: 1fr 1fr; }
  /* Footer */
  .rds-footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .rds-footer__bottom .rds-container { flex-direction: column; text-align: center; gap: 6px; }
}