/* ============================================================
   COMPONENTS — Cabinet Yahia Muallem
   Boutons, cartes, navigation, formulaire, header, etc.
   ============================================================ */

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header--scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header--scrolled .header__logo-text,
.header--scrolled .header__logo-sub {
  color: var(--color-primary);
}

.header--scrolled .nav__link {
  color: var(--color-text-muted);
}

.header--scrolled .nav__link:hover,
.header--scrolled .nav__link--active {
  color: var(--color-primary);
}

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

.header__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}

.header__logo-text {
  font-family: var(--ff-serif);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-white);
  transition: color var(--transition-base);
}

.header__logo-sub {
  font-family: var(--ff-sans);
  font-size: var(--text-xs);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: var(--tracking-wide);
  transition: color var(--transition-base);
}

/* ---- Navigation ---- */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-family: var(--ff-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: var(--tracking-wide);
  position: relative;
  padding-block: var(--space-2);
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

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

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

/* ---- Menu mobile (hamburger) ---- */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.menu-toggle__bar {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-white);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.header--scrolled .menu-toggle__bar {
  background: var(--color-primary);
}

.menu-toggle--active .menu-toggle__bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.menu-toggle--active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle--active .menu-toggle__bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

@media (max-width: 767px) {
  .menu-toggle {
    display: flex;
  }

  .nav__list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-8);
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-slow);
    padding: var(--space-10);
  }

  .nav__list--open {
    right: 0;
  }

  .nav__link {
    color: var(--color-text-muted);
    font-size: var(--text-lg);
  }

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

  .nav .btn {
    display: none;
  }
}

/* ---- Boutons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--ff-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: #b89558;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(201, 166, 107, 0.35);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(201, 166, 107, 0.08);
}

.btn--outline-light {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

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

/* ---- Expertise card ---- */
.card-expertise {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--space-10);
  transition: all var(--transition-base);
  cursor: default;
}

.card-expertise:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-2px);
}

.card-expertise__number {
  font-family: var(--ff-serif);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  line-height: 1;
}

.card-expertise__title {
  font-family: var(--ff-sans);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.card-expertise__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ---- Testimonial card ---- */
.card-testimonial {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transition: box-shadow var(--transition-base);
}

.card-testimonial:hover {
  box-shadow: var(--shadow-md);
}

.card-testimonial__quote {
  font-family: var(--ff-serif);
  font-size: var(--text-base);
  font-style: italic;
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  flex: 1;
}

.card-testimonial__quote::before {
  content: '\201C';
  display: block;
  font-family: var(--ff-serif);
  font-size: var(--text-4xl);
  color: var(--color-accent);
  line-height: 0.6;
  margin-bottom: var(--space-4);
  opacity: 0.6;
}

.card-testimonial__author {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-6);
}

.card-testimonial__name {
  font-family: var(--ff-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.card-testimonial__role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ---- Contact infos ---- */
.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact__info-title {
  font-family: var(--ff-serif);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.contact__info-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 45ch;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact__detail-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__detail-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.5;
}

.contact__detail-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.contact__detail-value {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: var(--leading-snug);
}

/* ---- Formulaire ---- */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
}

.form__label .required {
  color: var(--color-accent);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--ff-sans);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-border);
}

.form__input:hover,
.form__select:hover,
.form__textarea:hover {
  border-color: var(--color-text-muted);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 166, 107, 0.12);
}

.form__textarea {
  min-height: 140px;
  resize: vertical;
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23475569' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .form__row--2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---- Séparateur décoratif ---- */
.divider {
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin-inline: auto;
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
  opacity: 0.6;
}

/* ---- Animations au scroll ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.1, 0.1, 1),
              transform 0.7s cubic-bezier(0.25, 0.1, 0.1, 1);
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ---- Menu overlay mobile ---- */
@media (max-width: 767px) {
  .nav__overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 26, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .nav__overlay--visible {
    opacity: 1;
    visibility: visible;
  }
}

/* ---- Small utilities ---- */
.text-accent {
  color: var(--color-accent);
}