/* ============================================================
  KAIRVOX — Feuille de styles principale
   Design clair, premium, épuré
   ============================================================ */

/* --- Custom Properties ------------------------------------ */
:root {
  --color-dark: #0A0F2C;
  --color-accent: #00C2CB;
  --color-accent-hover: #00e0ea;
  --color-white: #FFFFFF;
  --color-bg: #F8FAFC;
  --color-bg-alt: #EFF6FF;
  --color-text: #0F172A;
  --color-text-light: #64748B;
  --color-border: #E2E8F0;
  --color-border-dark: rgba(255, 255, 255, 0.1);

  --font-family: 'Inter', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;
  --space-2xl: 9rem;

  --max-width: 1140px;
  --radius: 12px;
  --transition: 0.3s ease;
  --header-height: 72px;

  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.07);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-btn: 0 4px 14px rgba(0, 194, 203, 0.35);
}

/* --- Reset & Base ----------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: #009da5;
}

ul {
  list-style: none;
}

/* --- Utility ---------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.section__title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--color-accent);
  margin-top: 0.6rem;
  border-radius: 2px;
}

.text-center .section__title::after {
  margin-inline: auto;
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  max-width: 600px;
}

.text-center {
  text-align: center;
}

.text-center .section__subtitle {
  margin-inline: auto;
}

/* --- Fade-in Animation ------------------------------------ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: var(--font-family);
  text-align: center;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-dark);
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-dark);
  box-shadow: 0 6px 20px rgba(0, 194, 203, 0.45);
}

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

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

.btn--small {
  padding: 0.6rem 1.5rem;
  font-size: 0.875rem;
}

/* Variante blanche pour zones sombres */
.btn--outline-white {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.4);
  color: var(--color-white);
}

.btn--outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-dark);
}

/* ============================================================
   HEADER — fond blanc, ombre portée
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--color-white);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo__icon {
  width: 32px;
  height: 32px;
}

.logo__text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--color-text);
  text-transform: uppercase;
}

/* Navigation */
.nav__list {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.nav__link {
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================================
   HERO — fond sombre (index.html uniquement)
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
  background-color: var(--color-dark);
  color: var(--color-white);
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 194, 203, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__content {
  max-width: 680px;
}

.hero__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero__title {
  font-size: clamp(2.2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
}

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

.hero__subtitle {
  font-size: 1.15rem;
  color: #94A3B8;
  line-height: 1.8;
  margin-bottom: var(--space-md);
  max-width: 540px;
}

.hero__buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Hero sobre — pages intérieures (fond clair) */
.hero--small {
  min-height: auto;
  padding-top: calc(var(--header-height) + var(--space-xl));
  padding-bottom: var(--space-lg);
  background-color: var(--color-bg);
  color: var(--color-text);
}

.hero--small::before {
  display: none;
}

.hero--small .hero__subtitle {
  color: var(--color-text-light);
}

/* ============================================================
   CHIFFRES CLÉS
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.stat {
  text-align: center;
  padding: var(--space-md);
}

.stat__number {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.2;
}

.stat__label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: var(--space-xs);
}

/* ============================================================
   NOTRE APPROCHE
   ============================================================ */
.approach {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.approach__text p {
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.approach__text strong {
  color: var(--color-accent);
}

.approach__visual {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

.approach__card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  text-align: center;
  flex: 1;
  max-width: 200px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}

.approach__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.approach__card-icon {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
}

.approach__card-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.approach__card-desc {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* ============================================================
   CARTES SERVICES (accueil)
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.service-card__icon {
  font-size: 2.2rem;
  margin-bottom: var(--space-sm);
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.service-card__link {
  font-size: 0.875rem;
  font-weight: 600;
}

/* ============================================================
   CLIENTS (logos texte)
   ============================================================ */
.clients-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md) var(--space-lg);
  align-items: center;
  padding-top: var(--space-sm);
}

.client-logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #CBD5E1;
  transition: color var(--transition);
  cursor: default;
  user-select: none;
}

.client-logo:hover {
  color: var(--color-text);
}

/* ============================================================
   TÉMOIGNAGES
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.testimonial {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}

.testimonial:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.testimonial__quote {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

.testimonial__quote::before {
  content: '\201C';
  font-size: 2rem;
  color: var(--color-accent);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.testimonial__author {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text);
}

.testimonial__role {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* ============================================================
   SERVICES DÉTAILLÉS (services.html)
   ============================================================ */
.offer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.offer--reverse {
  direction: rtl;
}

.offer--reverse > * {
  direction: ltr;
}

.offer__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.offer__title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.offer__desc {
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.offer__list {
  margin-bottom: var(--space-sm);
}

.offer__list li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text);
  font-size: 0.95rem;
}

.offer__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.offer__audience {
  font-size: 0.85rem;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-sm);
}

.offer__audience strong {
  color: var(--color-text);
}

.offer__visual {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  min-height: 280px;
}

/* ============================================================
   TIMELINE / MÉTHODOLOGIE
   ============================================================ */
.timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  padding-top: var(--space-md);
}

.timeline::before {
  content: '';
  position: absolute;
  top: calc(var(--space-md) + 20px);
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--color-border);
}

.timeline__step {
  text-align: center;
  flex: 1;
  position: relative;
  padding: 0 var(--space-xs);
}

.timeline__number {
  width: 42px;
  height: 42px;
  background: var(--color-accent);
  color: var(--color-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  margin: 0 auto var(--space-sm);
  position: relative;
  z-index: 1;
}

.timeline__label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.timeline__desc {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* ============================================================
   AGENCE — HISTOIRE
   ============================================================ */
.story p {
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
  max-width: 720px;
}

.story strong {
  color: var(--color-text);
}

/* ============================================================
   AGENCE — VALEURS
   ============================================================ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.value-card {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.value-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.value-card__title {
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.value-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* ============================================================
   AGENCE — TABLEAU COMPARATIF
   ============================================================ */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.comparison-table thead th {
  padding: var(--space-sm);
  text-align: left;
  font-weight: 700;
  border-bottom: 2px solid var(--color-accent);
  font-size: 0.95rem;
  color: var(--color-text);
}

.comparison-table thead th:first-child {
  color: var(--color-text-light);
}

.comparison-table tbody td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  color: var(--color-text);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table .check {
  color: #059669;
  font-weight: 600;
}

.comparison-table .cross {
  color: var(--color-text-light);
}

/* ============================================================
   CONTACT — FORMULAIRE
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: var(--space-lg);
  align-items: start;
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.form__input,
.form__select,
.form__textarea {
  padding: 0.75rem 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 194, 203, 0.15);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: #94A3B8;
}

.form__textarea {
  resize: vertical;
  min-height: 130px;
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form__select option {
  background: var(--color-white);
}

/* Confirmation formulaire */
.form-confirmation {
  background: rgba(0, 194, 203, 0.06);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
}

.form-confirmation__icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--space-sm);
}

.form-confirmation__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form-confirmation__text {
  color: var(--color-text-light);
  font-size: 1rem;
}

/* Infos contact (colonne droite) */
.contact-info {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
}

.contact-info__title {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.contact-info__item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.contact-info__item span:first-child {
  color: var(--color-accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
  width: 100%;
  background: none;
  border: none;
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  padding: var(--space-sm) 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  transition: color var(--transition);
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__question::after {
  content: '+';
  font-size: 1.3rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item.active .faq-item__question::after {
  content: '\2212';
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item__answer p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  padding-bottom: var(--space-sm);
  line-height: 1.75;
}

/* ============================================================
   CTA SECTION — fond sombre
   ============================================================ */
.cta-section {
  text-align: center;
  padding: var(--space-xl) 0;
  background-color: var(--color-dark);
  color: var(--color-white);
}

.cta-section .section__title {
  margin-bottom: var(--space-sm);
  color: var(--color-white);
}

.cta-section .section__title::after {
  margin-inline: auto;
}

.cta-section .section__subtitle {
  margin: 0 auto var(--space-md);
  color: #94A3B8;
}

/* ============================================================
   FOOTER — fond sombre
   ============================================================ */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer__brand {
  max-width: 280px;
}

.footer__brand .logo {
  margin-bottom: var(--space-sm);
}

.footer__brand .logo__text {
  color: var(--color-white);
}

.footer__brand p {
  font-size: 0.85rem;
  color: #94A3B8;
}

.footer__links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #94A3B8;
  margin-bottom: var(--space-sm);
}

.footer__links li {
  margin-bottom: 0.5rem;
  color: #94A3B8;
  font-size: 0.85rem;
}

.footer__links a {
  color: #94A3B8;
  font-size: 0.85rem;
}

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

.footer__bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-top: var(--space-sm);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: #94A3B8;
}

.footer__bottom a {
  color: #94A3B8;
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .offer--reverse {
    direction: ltr;
  }

  .offer__visual {
    order: -1;
    min-height: 180px;
    font-size: 3rem;
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav__list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  }

  .nav__list.open {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__cta {
    width: 100%;
    text-align: center;
  }

  .hero__title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }

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

  .approach__visual {
    flex-direction: column;
    align-items: center;
  }

  .approach__card {
    max-width: 100%;
    width: 100%;
  }

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

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

  .clients-grid {
    gap: var(--space-sm) var(--space-md);
  }

  .timeline {
    flex-direction: column;
    gap: var(--space-md);
  }

  .timeline::before {
    top: 0;
    bottom: 0;
    left: 20px;
    right: auto;
    width: 2px;
    height: auto;
  }

  .timeline__step {
    text-align: left;
    padding-left: 60px;
  }

  .timeline__number {
    position: absolute;
    left: 0;
    top: 0;
    margin: 0;
  }

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

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

  .comparison-table {
    font-size: 0.8rem;
  }

  .comparison-table thead th,
  .comparison-table tbody td {
    padding: 0.6rem 0.4rem;
  }

  .footer__inner {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .hero__buttons {
    flex-direction: column;
  }

  .hero__buttons .btn {
    width: 100%;
  }

  .client-logo {
    font-size: 0.95rem;
  }
}