/* =====================================================
   SITE V1 — Marine Isnard Ostéopathe
   Style : Nature & Bien-être · Palette Sauge (Option A)
   Fonts : Cormorant Garamond (titres) + DM Sans (corps)
   ===================================================== */

/* --- Variables ---------------------------------------- */
:root {
  --sage:         #87A87A;
  --sage-light:   #C8D9C1;
  --sage-xlight:  #EEF4EC;
  --sage-dark:    #4E6B48;
  --cream:        #F7F3EA;
  --cream-dark:   #E8E0D0;
  --off-white:    #FDFAF6;
  --taupe:        #B5A48A;
  --text-dark:    #2C3829;
  --text-mid:     #556050;
  --text-light:   #8A9986;
  --white:        #FFFFFF;

  --font-serif:   'Cormorant Garamond', Georgia, serif;
  --font-sans:    'DM Sans', system-ui, -apple-system, sans-serif;

  --radius:       10px;
  --radius-lg:    18px;
  --shadow:       0 4px 24px rgba(44, 56, 41, .08);
  --shadow-lg:    0 12px 48px rgba(44, 56, 41, .14);
  --trans:        .3s ease;
  --max-w:        1100px;
}

/* --- Reset -------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html   { scroll-behavior: smooth; font-size: 16px; }
body   { font-family: var(--font-sans); color: var(--text-dark); background: var(--off-white); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img    { max-width: 100%; height: auto; display: block; }
a      { color: var(--sage-dark); text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--sage); }
ul     { list-style: none; }
body.nav-open { overflow: hidden; }

/* --- Container ---------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- Boutons ------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 2rem;
  border-radius: 40px;
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .04em;
  border: none;
  cursor: pointer;
  transition: all var(--trans);
}
.btn-primary {
  background: var(--sage-dark);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--sage);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(78, 107, 72, .28);
}
.btn-rdv {
  background: var(--sage-dark);
  color: var(--white);
  font-size: .82rem;
  padding: .55rem 1.3rem;
  white-space: nowrap;
}
.btn-rdv:hover { background: var(--sage); color: var(--white); }

.btn-hero {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.75);
  font-size: 1rem;
  padding: .9rem 2.8rem;
  margin-top: .5rem;
}
.btn-hero:hover {
  background: var(--white);
  color: var(--text-dark);
  border-color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
}
.btn-large { padding: 1rem 2.8rem; font-size: 1rem; }

/* =====================================================
   HEADER / STICKY NAV
   ===================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.4rem 0;
  transition: background var(--trans), box-shadow var(--trans), padding var(--trans);
}
.header.scrolled {
  background: rgba(253, 250, 246, .96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 28px rgba(44, 56, 41, .09);
  padding: .85rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Logo */
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo .logo-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: .03em;
  color: var(--white);
  transition: color var(--trans);
}
.nav-logo .logo-title {
  font-size: .65rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  font-weight: 400;
  transition: color var(--trans);
}
.header.scrolled .nav-logo .logo-name  { color: var(--text-dark); }
.header.scrolled .nav-logo .logo-title { color: var(--text-light); }

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: .1rem;
}
.nav-link {
  font-size: .82rem;
  font-weight: 400;
  letter-spacing: .05em;
  padding: .4rem .75rem;
  border-radius: var(--radius);
  color: rgba(255,255,255,.9);
  transition: all var(--trans);
}
.header.scrolled .nav-link { color: var(--text-mid); }
.nav-link:hover,
.nav-link.active { color: var(--white); background: rgba(255,255,255,.15); }
.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active { color: var(--sage-dark); background: var(--sage-xlight); }

/* Hamburger mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: .4rem;
  position: relative;
  z-index: 120; /* au-dessus du panneau nav */
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--trans);
  transform-origin: center;
}
.header.scrolled .nav-toggle span { background: var(--text-dark); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--text-dark); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--text-dark); }

/* =====================================================
   HERO
   ===================================================== */
.hero {
  position: relative;
  height: 100vh;
  height: 100svh; /* mobile : exclut la barre d'adresse du navigateur */
  min-height: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?auto=format&fit=crop&w=1920&q=80')
    center / cover no-repeat;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    155deg,
    rgba(36, 50, 33, .72) 0%,
    rgba(68, 92, 62, .55) 55%,
    rgba(36, 50, 33, .68) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  max-width: 680px;
  padding: 0 2rem;
}
.hero-eyebrow {
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--sage-light);
  margin-bottom: 1.8rem;
  font-weight: 400;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3.2rem, 8vw, 6rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: .02em;
  margin-bottom: .3rem;
}
.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  color: var(--sage-light);
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
}
.hero-tagline {
  font-size: 1.05rem;
  color: rgba(255,255,255,.82);
  font-weight: 300;
  max-width: 420px;
  margin: 0 auto 2rem;
  line-height: 1.65;
}

/* Indicateur de scroll */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: rgba(255,255,255,.55);
  font-size: .65rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 38px;
  background: linear-gradient(to bottom, rgba(255,255,255,.55), transparent);
  animation: scrollDrop 2.2s ease-in-out infinite;
}
@keyframes scrollDrop {
  0%   { opacity: 1;  transform: scaleY(1)    translateY(0); }
  100% { opacity: 0;  transform: scaleY(0.4)  translateY(16px); }
}

/* =====================================================
   SECTIONS — Communs
   ===================================================== */
.section { padding: 6rem 0; }
.section-about      { background: var(--cream); }
.section-soins      { background: var(--off-white); }
.section-specialites{ background: var(--cream); }
.section-tarifs     { background: var(--sage-xlight); }
.section-contact    { background: var(--off-white); }

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sage-dark);
  background: rgba(135, 168, 122, .14);
  border: 1px solid rgba(135, 168, 122, .25);
  padding: .3rem 1rem;
  border-radius: 40px;
  margin-bottom: 1.1rem;
}
.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.15;
  margin-bottom: .8rem;
}
.section-desc {
  font-size: 1rem;
  color: var(--text-mid);
  font-weight: 300;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.75;
}

/* =====================================================
   À PROPOS
   ===================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 5rem;
  align-items: center;
}
.about-text p {
  font-size: 1rem;
  color: var(--text-mid);
  margin-bottom: 1.2rem;
  line-height: 1.85;
}
.about-text strong { color: var(--sage-dark); font-weight: 500; }
.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .5rem;
}
.badge {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--sage-dark);
  background: rgba(135, 168, 122, .12);
  border: 1px solid rgba(135, 168, 122, .3);
  padding: .3rem .9rem;
  border-radius: 40px;
}
.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}
.about-leaf {
  width: 110px;
  color: var(--sage);
  opacity: .9;
}
.about-quote {
  text-align: center;
}
.about-quote p {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--sage-dark);
  line-height: 1.6;
  margin-bottom: .6rem;
}
.about-quote cite {
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--text-light);
  display: block;
  font-style: normal;
}

/* =====================================================
   LES SOINS
   ===================================================== */
.soins-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.soins-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.2rem 2rem;
  border: 1px solid var(--cream-dark);
  transition: all var(--trans);
}
.soins-card:hover {
  border-color: var(--sage-light);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.soins-icon {
  width: 36px;
  height: 36px;
  color: var(--sage);
  margin-bottom: 1.2rem;
}
.soins-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 1rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--cream-dark);
}
.soins-card ul li {
  position: relative;
  padding: .3rem 0 .3rem 1.2rem;
  font-size: .93rem;
  color: var(--text-mid);
}
.soins-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--sage);
  transform: translateY(-50%);
}

/* =====================================================
   SPÉCIALITÉS
   ===================================================== */
.specialites-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 860px;
  margin: 0 auto;
}
.spec-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  border: 1px solid var(--cream-dark);
  transition: all var(--trans);
}
.spec-card:hover {
  border-color: var(--sage-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}
.spec-card--featured {
  background: var(--sage-dark);
  border-color: var(--sage-dark);
}
.spec-card.spec-card--featured h3,
.spec-card.spec-card--featured p { color: rgba(255,255,255,.92); }
.spec-card--featured .spec-icon { color: var(--sage-light); }
.spec-card--featured .spec-list li { color: rgba(255,255,255,.75); }
.spec-card--featured .spec-list li::before { background: var(--sage-light); }
.spec-card--featured strong { color: var(--sage-light); }

.spec-icon {
  width: 52px;
  height: 52px;
  color: var(--sage);
  margin-bottom: 1.5rem;
}
.spec-card h3 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: .9rem;
}
.spec-card p {
  font-size: .92rem;
  color: var(--text-mid);
  line-height: 1.75;
  margin-bottom: 1.3rem;
}
.spec-card strong { color: var(--sage-dark); font-weight: 500; }
.spec-list li {
  position: relative;
  padding: .28rem 0 .28rem 1.2rem;
  font-size: .88rem;
  color: var(--text-light);
}
.spec-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--sage);
  transform: translateY(-50%);
}

/* =====================================================
   TARIFS
   ===================================================== */
.tarifs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.tarif-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.8rem 2rem;
  text-align: center;
  border: 1px solid rgba(135, 168, 122, .22);
  transition: all var(--trans);
}
.tarif-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: var(--sage-light);
}
.tarif-card--featured {
  background: var(--sage-dark);
  border-color: var(--sage-dark);
}
.tarif-card--featured .tarif-ornament,
.tarif-card.tarif-card--featured h3,
.tarif-card.tarif-card--featured .tarif-price { color: var(--white); }
.tarif-card.tarif-card--featured p { color: rgba(255,255,255,.75); }

.tarif-ornament {
  display: block;
  font-size: .85rem;
  color: var(--sage);
  letter-spacing: .6em;
  margin-bottom: 1rem;
}
.tarif-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 1.2rem;
}
.tarif-price {
  font-family: var(--font-serif);
  font-size: 3.8rem;
  font-weight: 300;
  color: var(--sage-dark);
  line-height: 1;
  margin-bottom: .75rem;
}
.tarif-price span { font-size: 1.6rem; vertical-align: super; font-weight: 300; }
.tarif-card p {
  font-size: .87rem;
  color: var(--text-light);
  line-height: 1.55;
}
.tarifs-note {
  text-align: center;
  font-size: .85rem;
  color: var(--text-light);
  font-style: italic;
  max-width: 520px;
  margin: 0 auto;
}

/* =====================================================
   CONTACT
   ===================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.contact-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  margin-bottom: 2.5rem;
}
.contact-item:last-child { margin-bottom: 0; }
.contact-icon {
  flex-shrink: 0;
  width: 46px; height: 46px;
  background: var(--sage-xlight);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sage-dark);
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-item h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: .3rem;
}
.contact-item a {
  display: block;
  font-size: 1.05rem;
  color: var(--sage-dark);
  font-weight: 500;
  margin-bottom: .2rem;
}
.contact-item a:hover { color: var(--sage); }
.contact-item p { font-size: .9rem; color: var(--text-light); line-height: 1.6; }

.rdv-card {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  text-align: center;
  border: 1px solid var(--cream-dark);
}
.rdv-card h3 {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: .8rem;
}
.rdv-card p {
  font-size: .93rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 1.8rem;
}
.rdv-separator {
  font-size: .72rem !important;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-light) !important;
  margin: 1.2rem 0 .6rem !important;
}
.phone-link {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--sage-dark);
  letter-spacing: .03em;
  display: block;
}
.phone-link:hover { color: var(--sage); }

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  background: var(--text-dark);
  padding: 3.5rem 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.8rem;
  text-align: center;
}
.footer-brand .logo-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--white);
  display: block;
  font-weight: 400;
}
.footer-brand .logo-title {
  font-size: .68rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  display: block;
  margin-top: .25rem;
}
.footer-nav {
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  transition: color var(--trans);
}
.footer-nav a:hover { color: var(--sage-light); }
.footer-legal {
  font-size: .75rem;
  color: rgba(255,255,255,.5);
}
.footer-legal a { color: rgba(255,255,255,.7); text-decoration: underline; }
.footer-legal a:hover { color: var(--sage-light); }

/* --- Mention du service de réservation ---------------- */
.rdv-card .rdv-provider {
  font-size: .78rem;
  color: var(--text-light);
  margin: .7rem 0 1.4rem;
}

/* --- Barre RDV fixe (mobile uniquement) ---------------- */
.mobile-cta { display: none; }
@media (max-width: 768px) {
  .mobile-cta {
    display: flex;
    gap: .6rem;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 90;
    padding: .7rem 1rem calc(.7rem + env(safe-area-inset-bottom));
    background: rgba(253, 250, 246, .97);
    box-shadow: 0 -1px 24px rgba(44, 56, 41, .12);
  }
  .mobile-cta a {
    flex: 1;
    text-align: center;
    padding: .8rem 1rem;
    border-radius: 40px;
    font-size: .92rem;
    font-weight: 500;
  }
  .mobile-cta .mobile-cta-book { background: var(--sage-dark); color: var(--white); flex: 1.4; }
  .mobile-cta-book:hover { color: var(--white); }
  .mobile-cta .mobile-cta-call { border: 1.5px solid var(--sage-dark); color: var(--sage-dark); }
  body { padding-bottom: calc(4.5rem + env(safe-area-inset-bottom)); }
  body.nav-open .mobile-cta { display: none; }
}

/* --- Page mentions légales ----------------------------- */
.section.section-legal { background: var(--cream); padding-top: 9rem; }
.legal-back { margin-left: auto; }
.legal { max-width: 760px; }
.legal .section-header { margin-bottom: 3rem; }
.legal h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.15;
}
.legal h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--sage-dark);
  margin: 2.5rem 0 .7rem;
}
.legal p { color: var(--text-mid); margin-bottom: 1rem; }
.legal a { text-decoration: underline; }
.legal-update { margin-top: 3rem; font-size: .85rem; font-style: italic; color: var(--text-light); }

/* =====================================================
   ANIMATIONS FADE-IN
   ===================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Délais en cascade pour les grilles */
.soins-grid     .fade-in:nth-child(2) { transition-delay: .1s; }
.soins-grid     .fade-in:nth-child(3) { transition-delay: .2s; }
.soins-grid     .fade-in:nth-child(4) { transition-delay: .3s; }
.specialites-grid .fade-in:nth-child(2) { transition-delay: .12s; }
.specialites-grid .fade-in:nth-child(3) { transition-delay: .24s; }
.tarifs-grid    .fade-in:nth-child(2) { transition-delay: .1s; }
.tarifs-grid    .fade-in:nth-child(3) { transition-delay: .2s; }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
  .about-grid        { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual      { flex-direction: row; justify-content: center; }
  /* Tablette : 2 colonnes pour les spécialités */
  .specialites-grid  { grid-template-columns: repeat(2, 1fr); }
  .tarifs-grid       { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  /* Tablette portrait : on passe en colonne unique */
  .specialites-grid  { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .tarifs-grid       { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto 2.5rem; }
  .contact-grid      { gap: 3rem; }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .section-header { margin-bottom: 2.8rem; }

  /* Nav mobile : panneau plein écran */
  .nav-toggle { display: flex; }
  .nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--off-white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 105;
  }
  .nav.open { display: flex; }
  .nav-links { flex-direction: column; align-items: center; gap: .4rem; }
  .nav-link {
    font-size: 1.3rem !important;
    color: var(--text-dark) !important;
    padding: .6rem 1.5rem;
  }
  .nav-link:hover,
  .nav-link.active { background: var(--sage-xlight); color: var(--sage-dark) !important; }
  .btn-rdv { font-size: 1rem; padding: .8rem 2rem; margin-top: .5rem; }

  /* Grilles */
  .soins-grid     { grid-template-columns: 1fr; }
  .contact-grid   { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 480px) {
  .container     { padding: 0 1.25rem; }
  .hero-title    { font-size: 2.8rem; }
  .about-visual  { flex-direction: column; }
  .rdv-card      { padding: 2rem 1.5rem; }
}