/* ==========================================================================
   components.css — UI components: buttons, nav, hero, about, features, FAQ, footer
   Saunda Marketing Website
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-pill);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.85;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background-color: #ffffff;
  color: #000000;
}

.btn--disabled {
  opacity: 0.7;
  cursor: default;
  pointer-events: none;
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4);
  transition:
    background-color var(--transition-base),
    backdrop-filter var(--transition-base);
}

.nav--scrolled {
  background-color: var(--color-bg-elevated);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav__logo-img {
  height: 30px;
  width: auto;
  display: block;
}

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

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Hamburger toggle — hidden on desktop, shown on mobile */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 24px;
  height: 24px;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

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

/* Mobile overlay menu */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background-color: var(--color-bg-primary);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.nav__mobile.is-open {
  display: flex;
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.nav__mobile-link:hover {
  opacity: 0.7;
}

@media (max-width: 767px) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--space-40);
  padding-bottom: var(--space-16);
  overflow: hidden;
}

.hero__canvas-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__noise {
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/noise-texture.png');
  background-repeat: repeat;
  background-size: 200px 200px;
  opacity: 0.08;
  pointer-events: none;
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-bg-surface);
  backdrop-filter: blur(68px);
  -webkit-backdrop-filter: blur(68px);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #ffffff;
  flex-shrink: 0;
}

.hero__title {
  color: var(--color-text-primary);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   About
   -------------------------------------------------------------------------- */
.about__content {
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about__text {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.about__preview {
  margin-top: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__preview-img {
  max-height: 600px;
  width: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.features > .container > h2,
.faq > .container > h2 {
  text-align: center;
  margin-bottom: var(--space-4);
}

.features__subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.faq > .container > h2 {
  margin-bottom: var(--space-12);
}

/* --------------------------------------------------------------------------
   Feature Cards
   -------------------------------------------------------------------------- */
.feature-card {
  padding: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition:
    border-color var(--transition-base),
    transform var(--transition-base);
}

.feature-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.feature-card__icon {
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

.feature-card__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.feature-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq__list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq__item {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq__item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
}

.faq__chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
  transition: transform var(--transition-base);
}

.faq__item.is-open .faq__chevron {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq__item.is-open .faq__answer {
  max-height: 400px;
}

.faq__answer-inner {
  padding: 0 var(--space-6) var(--space-6);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  position: relative;
  overflow: hidden;
  padding-top: 120px;
  padding-bottom: var(--space-8);
}

.footer__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(8, 42, 8, 0.7) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 55%, rgba(145, 112, 20, 0.35) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 30%, rgba(220, 210, 190, 0.06) 0%, transparent 45%);
  background-color: var(--color-bg-primary);
}

.footer__cta {
  position: relative;
  z-index: 2;
  text-align: center;
  margin-bottom: var(--space-20);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.footer__cta-title {
  color: var(--color-text-primary);
}

.footer__bottom {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-subtle);
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
}

.footer__link {
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-secondary);
}

@media (max-width: 767px) {
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}