/* ============================================================
   COMPONENTS.CSS — Navigation, Buttons, Cards, Forms
   ============================================================ */

/* ---- Layout Wrapper ---- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}
.container--narrow { max-width: var(--content-default); }

/* ---- Navigation ---- */
/* Sticky on #site-header (not .nav) so the bar pins while the page scrolls */
#site-header {
  position: sticky;
  top: 0;
  z-index: 200;
}

.nav {
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

#site-header.is-scrolled .nav,
.nav.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: var(--space-8);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.nav__logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.nav__logo-text span { color: var(--color-primary); }
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
}
.nav__links a:hover { color: var(--color-text); background: var(--color-accent-dim); }
.nav__links a.active { color: var(--color-primary); }
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav__mobile-toggle {
  display: none;
  padding: var(--space-2);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
}
.nav__mobile-toggle:hover { color: var(--color-text); background: var(--color-accent-dim); }

/* Mobile Nav */
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) 0 var(--space-6);
  border-top: 1px solid var(--color-border);
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
}
.nav__mobile a:hover { color: var(--color-text); background: var(--color-accent-dim); }
.nav__mobile a.btn--primary {
  color: var(--color-on-primary);
  font-weight: 700;
  background: var(--color-primary);
  border: none;
  margin-top: var(--space-2);
}
.nav__mobile a.btn--primary:hover {
  color: var(--color-on-primary);
  background: var(--color-primary);
  opacity: 0.92;
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__mobile-toggle { display: flex; align-items: center; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
  background: var(--color-accent-dim);
}
.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary-dim);
  transform: translateY(-1px);
}
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-full);
}
.btn svg { flex-shrink: 0; }

/* ---- Theme Toggle ---- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-accent-dim); }

/* ---- Section Layout ---- */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section--tight {
  padding-block: clamp(var(--space-12), 5vw, var(--space-20));
}
.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section__label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}
.section__heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.section__subheading {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 54ch;
  line-height: 1.65;
}

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
  transform: translateY(-2px);
}
.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-dim);
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}
.card__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---- Stat Block ---- */
.stat-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.stat-block__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--color-text);
  line-height: 1;
}
.stat-block__value span { color: var(--color-primary); }
.stat-block__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

/* ---- Tags ---- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  background: var(--color-primary-dim);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-border);
}

/* ---- Testimonial ---- */
.testimonial {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
}
.testimonial::before {
  content: '"';
  position: absolute;
  top: var(--space-4);
  left: var(--space-8);
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.25;
  font-weight: 900;
}
.testimonial__text {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  margin-top: var(--space-8);
  margin-bottom: var(--space-6);
  font-style: italic;
}
.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--color-primary);
  font-size: var(--text-sm);
  flex-shrink: 0;
}
.testimonial__name {
  font-weight: 700;
  font-size: var(--text-sm);
}
.testimonial__role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---- Process Step ---- */
.process-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-6);
  align-items: start;
  position: relative;
}
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 27px;
  top: 56px;
  width: 2px;
  height: calc(100% + var(--space-6));
  background: var(--color-border);
  background: linear-gradient(to bottom, var(--color-primary) 0%, var(--color-border) 100%);
}
.process-step__number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--text-lg);
  color: var(--color-primary);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.process-step__content { padding-top: var(--space-3); }
.process-step__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.process-step__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---- Form ---- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-faint); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-dim);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238a8fa0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right var(--space-4) center; padding-right: var(--space-10); }

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-16);
  margin-top: var(--space-24);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}
.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 34ch;
  line-height: 1.7;
  margin-top: var(--space-4);
}
.footer__col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-5);
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--color-primary); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__socials {
  display: flex;
  gap: var(--space-3);
}
.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-faint);
  border: 1px solid var(--color-border);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.footer__social-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-dim);
}

/* ---- Grid helpers ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ---- Animate on scroll ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16,1,0.3,1), transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
.reveal.revealed {
  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; }

/* ---- Newsletter band (homepage + shared) ---- */
.post-newsletter__form { display:flex; gap:var(--space-3);flex-wrap:wrap;justify-content:center; }
.post-newsletter__input { flex:1;min-width:180px;padding:10px 14px;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-family:var(--font);font-size:var(--text-sm);outline:none;transition:border-color 0.2s; }
.post-newsletter__input:focus { border-color:var(--color-primary); }
.post-newsletter__btn { padding:10px 20px;background:var(--color-primary);color:#000;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:var(--text-sm);font-weight:700;cursor:pointer;transition:opacity 0.2s;white-space:nowrap; }
.post-newsletter__btn:hover { opacity:0.88; }
.post-newsletter__btn:disabled { opacity:0.6;cursor:not-allowed; }
.post-newsletter__thanks { font-size:var(--text-sm);color:var(--color-primary);font-weight:600;display:none; }