/**
 * Components — buttons, header, footer, forms, accordion, CTA, cards.
 * Includes motion system and hover states.
 */

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 14px var(--space-xl);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  line-height: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .btn {
    transition: transform var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-default);
  }
}

.btn--primary {
  background: var(--gradient-gold);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: var(--color-text-inverse);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn--primary:focus-visible {
  outline: 2px solid var(--color-brand-gold-dark);
  outline-offset: 3px;
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}

@media (prefers-reduced-motion: no-preference) {
  .header {
    transition: border-color var(--duration-normal) var(--ease-default),
                box-shadow var(--duration-normal) var(--ease-default);
  }
}

.header.is-scrolled {
  border-bottom-color: var(--color-line);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
  min-height: 72px;
}

@media (min-width: 1024px) {
  .header__inner {
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
    min-height: 88px;
  }
}

.header__logo-link {
  flex-shrink: 0;
}

.header__logo-link:hover {
  text-decoration: none;
}

.header__logo {
  height: 52px;
  width: auto;
}

@media (min-width: 1024px) {
  .header__logo {
    height: 66px;
  }
}

/* Nav */
.header__nav-list {
  display: none;
  list-style: none;
  gap: var(--space-xl);
  padding: 0;
  margin: 0;
}

@media (min-width: 1024px) {
  .header__nav-list {
    display: flex;
    align-items: center;
  }
}

.header__nav-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  position: relative;
  padding: var(--space-xs) 0;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-brand-gold);
  border-radius: 1px;
}

@media (prefers-reduced-motion: no-preference) {
  .header__nav-link::after {
    transition: width var(--duration-normal) var(--ease-out);
  }
}

.header__nav-link:hover,
.header__nav-link.is-active {
  color: var(--color-brand-gold-mid);
  text-decoration: none;
}

.header__nav-link:hover::after,
.header__nav-link.is-active::after {
  width: 100%;
}

/* Header CTA */
.header__cta {
  display: none;
  font-size: var(--text-sm);
  padding: 10px var(--space-lg);
}

@media (min-width: 1024px) {
  .header__cta {
    display: inline-block;
  }
}

/* Mobile menu toggle */
.header__menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
}

@media (min-width: 1024px) {
  .header__menu-toggle {
    display: none;
  }
}

.header__menu-icon,
.header__menu-icon::before,
.header__menu-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 1px;
}

@media (prefers-reduced-motion: no-preference) {
  .header__menu-icon,
  .header__menu-icon::before,
  .header__menu-icon::after {
    transition: transform var(--duration-normal) var(--ease-out),
                opacity var(--duration-fast) var(--ease-default);
  }
}

.header__menu-icon::before,
.header__menu-icon::after {
  content: '';
  position: absolute;
}

.header__menu-icon::before {
  transform: translateY(-7px);
}

.header__menu-icon::after {
  transform: translateY(7px);
}

/* Hamburger to X animation */
.header__menu-toggle[aria-expanded="true"] .header__menu-icon {
  background-color: transparent;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon::before {
  transform: rotate(45deg);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon::after {
  transform: rotate(-45deg);
}

/* Mobile nav open state */
.header__nav-list.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-surface-base);
  padding: var(--space-lg);
  gap: 0;
  border-bottom: var(--border-light);
  box-shadow: var(--shadow-md);
  z-index: var(--z-overlay);
}

.header__nav-list.is-open li {
  margin: 0;
}

.header__nav-list.is-open .header__nav-link {
  display: block;
  padding: var(--space-md) 0;
  font-size: var(--text-md);
  border-bottom: 1px solid var(--color-surface-light);
}

.header__nav-list.is-open .header__nav-link::after {
  display: none;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  background-color: #3D3A34;
  color: rgba(255, 255, 255, 0.7);
  padding: 0 0 var(--space-lg);
  font-size: var(--text-sm);
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

.footer a:hover {
  color: var(--color-brand-gold-light);
  text-decoration: none;
}

/* Gold accent line at top */
.footer__accent {
  height: 3px;
  background: var(--gradient-gold);
  margin-bottom: var(--space-3xl);
}

/* Main layout */
.footer__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 640px) {
  .footer__main {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

/* Brand */
.footer__logo-link {
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.footer__logo-link:hover {
  text-decoration: none;
}

.footer__logo {
  height: 60px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

.footer__tagline {
  color: var(--color-brand-gold-light);
  font-size: var(--text-lg);
}

.footer__person {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
  margin-top: var(--space-xs);
}

/* Contact */
.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

@media (min-width: 640px) {
  .footer__contact {
    text-align: right;
    align-items: flex-end;
  }
}

.footer__contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer__contact-link svg {
  flex-shrink: 0;
  color: var(--color-brand-gold);
  opacity: 0.6;
}

.footer__location {
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--text-xs);
  margin-top: var(--space-xs);
}

/* Bottom bar */
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__copy {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
}

.footer__legal {
  display: flex;
  gap: var(--space-lg);
}

.footer__legal a {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
}

.footer__legal a:hover {
  color: rgba(255, 255, 255, 0.7);
}

/* ==========================================================================
   FORMS
   ========================================================================== */

.contact__form {
  background: var(--color-surface-base);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: var(--border-light);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 1024px) {
  .contact__form {
    padding: var(--space-2xl);
  }
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  margin-bottom: 6px;
  color: var(--color-text-primary);
}

.form__input,
.form__select,
.form__textarea {
  display: block;
  width: 100%;
  padding: 12px var(--space-md);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-surface-light);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
}

@media (prefers-reduced-motion: no-preference) {
  .form__input,
  .form__select,
  .form__textarea {
    transition: border-color var(--duration-fast) var(--ease-default),
                box-shadow var(--duration-fast) var(--ease-default),
                background-color var(--duration-fast) var(--ease-default);
  }
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-brand-gold);
  background-color: var(--color-surface-base);
  box-shadow: 0 0 0 3px rgba(225, 179, 67, 0.15);
}

.form__input::placeholder {
  color: var(--color-silver);
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
}

.form__required {
  color: var(--color-error);
}

.form__group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.form__checkbox {
  margin-top: 3px;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  accent-color: var(--color-brand-gold);
}

.form__label--checkbox {
  font-weight: var(--weight-regular);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.form__submit {
  margin-top: var(--space-lg);
  width: 100%;
  padding: 16px var(--space-xl);
  font-size: var(--text-md);
}

@media (min-width: 640px) {
  .form__submit {
    width: auto;
    min-width: 240px;
  }
}

.form__feedback {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.form__feedback--success {
  background-color: rgba(39, 174, 96, 0.08);
  color: var(--color-success);
  border: 1px solid rgba(39, 174, 96, 0.2);
}

.form__feedback--error {
  background-color: rgba(192, 57, 43, 0.08);
  color: var(--color-error);
  border: 1px solid rgba(192, 57, 43, 0.2);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */

.faq__item {
  border-bottom: var(--border-light);
}

.faq__item:first-child {
  border-top: var(--border-light);
}

.faq__trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  text-align: left;
  gap: var(--space-md);
}

@media (prefers-reduced-motion: no-preference) {
  .faq__trigger {
    transition: color var(--duration-fast) var(--ease-default);
  }
}

.faq__trigger:hover {
  color: var(--color-brand-gold-mid);
}

.faq__trigger:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.faq__icon {
  flex-shrink: 0;
  font-size: var(--text-xl);
  color: var(--color-brand-gold);
  line-height: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .faq__icon {
    transition: transform var(--duration-normal) var(--ease-out);
  }
}

.faq__trigger[aria-expanded="true"] .faq__icon {
  transform: rotate(45deg);
}

.faq__answer {
  padding: 0 0 var(--space-lg);
  overflow: hidden;
}

@media (prefers-reduced-motion: no-preference) {
  .faq__answer {
    transition: max-height var(--duration-normal) var(--ease-out);
  }
}

.faq__answer p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 640px;
}

/* ==========================================================================
   CTA BLOCK
   ========================================================================== */

.cta-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .cta-block {
    flex-direction: row;
    gap: var(--space-xl);
  }
}

.cta-block__alternatives {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  font-size: var(--text-sm);
}

.cta-block__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  font-weight: var(--weight-semibold);
}

.cta-block__svg {
  flex-shrink: 0;
}

.cta-block__link--whatsapp .cta-block__svg {
  color: #25D366;
}

.cta-block__link--phone .cta-block__svg {
  color: var(--color-brand-gold-mid);
}

/* ==========================================================================
   MOTION SYSTEM — Scroll Reveals (progressive enhancement)
   Sections are VISIBLE by default. JS adds .js-reveal-ready to <html>,
   which enables the hidden state. Without JS, everything is visible.
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
  .js-reveal-ready .section {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
  }

  .js-reveal-ready .section.is-revealed {
    opacity: 1;
    transform: translateY(0);
  }

  /* Hero always visible — no scroll needed */
  .js-reveal-ready .section--hero {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   CARD HOVER EFFECTS
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
  .qualifications__item {
    transition: border-color var(--duration-fast) var(--ease-default);
  }

  .qualifications__item:hover {
    border-left-color: var(--color-brand-gold-dark);
  }

}