/* ============================================================
   TILLFORGE — SHARED COMPONENTS
   Nav · Footer · Buttons · Cards · Badges · Section headers
   ============================================================ */

/* ---- NAVIGATION ------------------------------------------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-h);
  transition: background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              backdrop-filter var(--dur-base) var(--ease-out);
}

.nav--scrolled {
  background: rgba(6, 6, 10, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04),
              0 4px 32px rgba(0,0,0,0.6);
}

.nav__container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
  color: var(--clr-white);
  text-decoration: none;
}

.nav__logo-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.nav__logo-till {
  color: var(--clr-white);
}

.nav__logo-forge {
  color: var(--clr-red);
}

.nav__logo-accent {
  color: var(--clr-red);
}

.footer__brand-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  margin-bottom: var(--sp-2);
}

.footer__brand-name {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.04em;
  color: var(--clr-white);
}

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

.footer__brand-forge {
  color: var(--clr-red);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  list-style: none;
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--type-sm);
  font-weight: 500;
  color: var(--clr-white-dim);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md);
  transition: color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
  text-decoration: none;
}

.nav__link:hover {
  color: var(--clr-white);
  background: rgba(255,255,255,0.05);
}

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

.nav__cta {
  margin-left: var(--sp-4);
}

/* Mobile hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: var(--sp-2);
  cursor: pointer;
  background: none;
  border: none;
}
.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--clr-white);
  border-radius: var(--radius-full);
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-base) var(--ease-out);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav__toggle { display: flex; }

  .nav__links {
    display: none;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--clr-bg);
    padding: var(--sp-6) var(--gutter);
    border-top: var(--border-subtle);
    overflow-y: auto;
  }

  .nav__links--open { display: flex; }

  .nav__link {
    font-size: 1.1rem;
    padding: var(--sp-4) 0;
    width: 100%;
    border-bottom: var(--border-subtle);
    border-radius: 0;
  }

  .nav__cta {
    margin-left: 0;
    margin-top: var(--sp-6);
    width: 100%;
    text-align: center;
  }
}

/* ---- FOOTER ----------------------------------------------- */

.footer {
  background: var(--clr-surface);
  border-top: var(--border-subtle);
  padding-block: var(--sp-16) var(--sp-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--sp-12);
  margin-bottom: var(--sp-12);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.04em;
  margin-bottom: var(--sp-3);
}

.footer__brand-name span { color: var(--clr-red); }

.footer__till-label {
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  color: var(--clr-slate-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}

.footer__tagline {
  font-size: var(--type-sm);
  color: var(--clr-slate-light);
  line-height: var(--leading-body);
  max-width: 300px;
  margin-bottom: var(--sp-6);
}

.footer__social {
  display: flex;
  gap: var(--sp-3);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--clr-slate-light);
  font-size: var(--type-sm);
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.footer__social-link:hover {
  border-color: var(--clr-red);
  color: var(--clr-red);
  background: var(--clr-red-faint);
}

.footer__col-heading {
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: var(--sp-6);
}

.footer__col-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__col-links a {
  font-size: var(--type-sm);
  color: var(--clr-slate-light);
  transition: color var(--dur-fast);
}
.footer__col-links a:hover { color: var(--clr-white); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-8);
  border-top: var(--border-subtle);
  font-size: var(--type-xs);
  color: var(--clr-slate);
}

.footer__location {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
  }
  .footer__bottom {
    flex-direction: column;
    gap: var(--sp-3);
    text-align: center;
  }
}

/* ---- BUTTONS ---------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-family: var(--font-body);
  font-size: var(--type-sm);
  font-weight: 600;
  line-height: 1;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  text-decoration: none;
  transition:
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-snap),
    box-shadow var(--dur-fast) var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
}

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

/* Primary — brand red */
.btn--primary {
  background: var(--clr-red);
  color: #fff;
  border-color: var(--clr-red);
}
.btn--primary:hover {
  background: var(--clr-red-bright);
  border-color: var(--clr-red-bright);
  color: #fff;
  box-shadow: 0 0 28px var(--clr-red-glow);
  transform: translateY(-1px);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255,255,255,0.18);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.35);
  color: var(--clr-white);
  transform: translateY(-1px);
}

/* Amber */
.btn--amber {
  background: var(--clr-amber);
  color: #06060A;
  border-color: var(--clr-amber);
}
.btn--amber:hover {
  background: #f5b07a;
  border-color: #f5b07a;
  color: #06060A;
  transform: translateY(-1px);
}

/* Sizes */
.btn--lg {
  font-size: 1rem;
  padding: 1rem 2rem;
}

.btn--sm {
  font-size: var(--type-xs);
  padding: 0.5rem 1rem;
}

/* WhatsApp floating */
.whatsapp-btn {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  z-index: var(--z-float);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  background: #25D366;
  color: #fff;
  font-size: var(--type-sm);
  font-weight: 600;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease-snap),
              box-shadow var(--dur-fast);
}
.whatsapp-btn:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
  color: #fff;
}
.whatsapp-btn svg { flex-shrink: 0; }

@media (max-width: 480px) {
  .whatsapp-btn span { display: none; }
  .whatsapp-btn { padding: var(--sp-4); border-radius: var(--radius-full); }
}

/* ---- CARDS ------------------------------------------------ */

.card {
  background: var(--clr-surface-2);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  transition: border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}

.card:hover {
  border-color: rgba(233, 69, 96, 0.2);
  box-shadow: var(--shadow-red);
  transform: translateY(-3px);
}

.card--amber:hover {
  border-color: rgba(244, 162, 97, 0.25);
  box-shadow: 0 0 40px rgba(244, 162, 97, 0.12);
}

/* ---- BADGES ----------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge--red {
  color: var(--clr-red);
  background: var(--clr-red-faint);
  border-color: rgba(233, 69, 96, 0.25);
}

/* compat aliases */
.badge--cyan {
  color: var(--clr-red);
  background: var(--clr-red-faint);
  border-color: rgba(233, 69, 96, 0.25);
}

.badge--amber {
  color: var(--clr-amber);
  background: var(--clr-amber-faint);
  border-color: rgba(244, 162, 97, 0.25);
}

.badge--ghost {
  color: var(--clr-slate-light);
  background: transparent;
  border-color: rgba(255,255,255,0.1);
}

/* ---- SECTION HEADER --------------------------------------- */

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header--center {
  text-align: center;
}
.section-header--center p {
  margin-inline: auto;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-red);
  margin-bottom: var(--sp-4);
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--clr-red);
  opacity: 0.6;
}

.section-header h2 { margin-bottom: var(--sp-5); }
.section-header p { color: var(--clr-white-dim); }

/* ---- DIVIDERS --------------------------------------------- */

.divider {
  border: none;
  border-top: var(--border-subtle);
  margin: 0;
}

/* ---- DOT GRID BACKGROUND ---------------------------------- */

.dot-grid-bg {
  background-image: radial-gradient(
    circle,
    rgba(255,255,255,0.03) 1px,
    transparent 1px
  );
  background-size: 32px 32px;
}

/* ---- PAGE HERO BASE --------------------------------------- */

.page-hero {
  padding-top: calc(var(--nav-h) + var(--sp-20));
  padding-bottom: var(--sp-20);
  position: relative;
  overflow: hidden;
}

.page-hero__eyebrow { margin-bottom: var(--sp-5); }
.page-hero h1 { margin-bottom: var(--sp-6); }
.page-hero p { margin-bottom: var(--sp-8); font-size: var(--type-lead); }

/* ---- TECH LABEL ------------------------------------------- */

.tech-label {
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  color: var(--clr-slate-light);
  letter-spacing: 0.05em;
}

/* ---- GRID LAYOUTS ----------------------------------------- */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-6);
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ---- GLOW LINE -------------------------------------------- */

.glow-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-red), transparent);
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-6);
}

/* ---- CTA STRIP -------------------------------------------- */

.cta-strip {
  padding-block: var(--section-gap);
  text-align: center;
}

.cta-strip__eyebrow {
  justify-content: center;
}
.cta-strip__eyebrow::before { display: none; }

.cta-strip h2 { margin-bottom: var(--sp-5); }
.cta-strip p  { margin-inline: auto; margin-bottom: var(--sp-8); }

.cta-strip__actions {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- FORM INPUTS ------------------------------------------ */

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--clr-surface-2);
  border: var(--border-dim);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  font-size: var(--type-sm);
  color: var(--clr-white);
  font-family: var(--font-body);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--clr-slate);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--clr-red);
  box-shadow: 0 0 0 3px var(--clr-red-faint);
}

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

/* ---- TOAST ----------------------------------------------- */

.toast {
  position: fixed;
  bottom: var(--sp-6);
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: var(--z-toast);
  background: var(--clr-surface-3);
  color: var(--clr-white);
  font-size: var(--type-sm);
  font-weight: 500;
  padding: var(--sp-4) var(--sp-6);
  border-radius: var(--radius-full);
  border: var(--border-dim);
  box-shadow: var(--shadow-lg);
  transition: transform var(--dur-base) var(--ease-out);
  white-space: nowrap;
}
.toast--show { transform: translateX(-50%) translateY(0); }
.toast--success { border-color: rgba(233, 69, 96, 0.4); }
.toast--error   { border-color: rgba(244, 162, 97, 0.4); }

/* ---- PRICE DISPLAY --------------------------------------- */

.price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--clr-amber);
  font-size: 1.1rem;
}
.price__label {
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  color: var(--clr-slate-light);
  font-weight: 400;
}