/*
  components.css — WellVigour redesign
  Navigation, buttons, cards, forms, footer components
  ============================================================
*/

/* ── NAVIGATION — Morphing top bar (Seed E=2) ────────────── */
/* Two-part structure: disclosure strip (always cobalt) + main row
   Disclosure collapses on scroll; main row becomes solid cobalt.
   Together they create the morph from open/tall to compact/solid. */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  /* No background here — child elements control bg */
}

.nav-main {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--gutter);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    height var(--t-slow) var(--ease-in-out),
    border-color var(--t-slow) var(--ease-in-out);
}

.site-nav.scrolled .nav-main {
  height: 3.25rem;
}

.nav-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── NAV CTA BUTTON ───────────────────────────────────────── */
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  clip-path: var(--clip-btn);
  transition:
    background var(--t-base) ease,
    color var(--t-base) ease,
    transform var(--t-base) var(--ease-out-quart),
    box-shadow var(--t-base) ease;
  cursor: pointer;
  text-decoration: none;
}

/* Pre-scroll: transparent nav → cobalt button */
.site-nav:not(.scrolled) .nav-cta {
  background: var(--brand-primary);
  color: var(--text-inverse);
}

.site-nav:not(.scrolled) .nav-cta:hover {
  background: var(--brand-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Scrolled: cobalt nav → white button */
.site-nav.scrolled .nav-cta {
  background: var(--text-inverse);
  color: var(--brand-primary);
}

.site-nav.scrolled .nav-cta:hover {
  filter: brightness(0.94);
  transform: translateY(-1px);
}

/* ── BUTTONS ──────────────────────────────────────────────── */

/* Primary — cobalt, cut-corner */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.25rem;
  background: var(--brand-primary);
  color: var(--text-inverse);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  clip-path: var(--clip-btn);
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition:
    transform var(--t-base) var(--ease-out-quart),
    filter var(--t-base) ease,
    box-shadow var(--t-base) ease;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 71, 255, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
  filter: brightness(0.95);
}

/* Secondary — outline cobalt */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: var(--brand-primary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1.5px solid var(--brand-primary);
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--t-base) ease,
    color var(--t-base) ease,
    transform var(--t-base) var(--ease-out-quart);
}

.btn-secondary:hover {
  background: var(--brand-primary);
  color: var(--text-inverse);
  transform: translateY(-1px);
}

/* White button — for cobalt sections */
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.25rem;
  background: var(--text-inverse);
  color: var(--brand-primary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  clip-path: var(--clip-btn);
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition:
    transform var(--t-base) var(--ease-out-quart),
    filter var(--t-base) ease,
    box-shadow var(--t-base) ease;
}

.btn-white:hover {
  filter: brightness(0.94);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

/* Magnetic button wrapper (JS-enhanced) */
.mag-btn {
  will-change: transform;
  transition: transform var(--t-base) var(--ease-out-quart), filter var(--t-base) ease, box-shadow var(--t-base) ease;
}

/* ── HERO COMPONENTS ──────────────────────────────────────── */
.hero-kicker {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero-kicker::before {
  content: '';
  display: block;
  width: 2.5rem;
  height: 2px;
  background: var(--brand-primary);
  flex-shrink: 0;
}

.hero-headline {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-8);
  /* Headline bleeds into right column slightly — mandatory overlap moment */
  position: relative;
  z-index: 3;
}

.hero-sub {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: var(--space-10);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
}

.hero-note {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.hero-badge-strip {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
}

/* ── INTRO SECTION COMPONENTS ────────────────────────────── */
.intro-section-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: var(--space-4);
}

.intro-vertical-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
}

.intro-lead {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
}

.intro-body {
  font-size: var(--text-body);
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.intro-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.intro-list li {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: var(--space-3);
  align-items: baseline;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

.intro-list li::before {
  content: attr(data-n);
  font-family: var(--font-display);
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--brand-primary);
  letter-spacing: 0.08em;
  padding-top: 0.15rem;
}

/* ── REASON CARDS ─────────────────────────────────────────── */
.reason-card {
  background: var(--surface-base);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* R1: Feature card — image top, text bottom */
.reason-card.r1 {
  display: grid;
  grid-template-rows: 1fr auto;
}

/* R2, R3: Side cards — compact, image fills top half */
.reason-card.r2,
.reason-card.r3 {
  display: grid;
  grid-template-rows: 1fr auto;
}

/* R4: Medium card — image left strip + text */
.reason-card.r4 {
  display: grid;
  grid-template-columns: 2fr 3fr;
  grid-template-rows: 1fr;
}

/* R5: Finale card — image right, large text left */
.reason-card.r5 {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  grid-template-rows: 1fr;
}

/* Image wrapper */
.reason-img {
  position: relative;
  overflow: hidden;
  background: var(--brand-primary);
}

.reason-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: contrast(1.15) brightness(0.9) saturate(0.85);
  transition: transform var(--t-slow) var(--ease-out-expo);
  display: block;
}

/* Cobalt duotone overlay */
.reason-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--brand-primary);
  opacity: 0.14;
  mix-blend-mode: multiply;
  pointer-events: none;
  transition: opacity var(--t-slow) ease;
}

.reason-card:hover .reason-img img {
  transform: scale(1.05);
}

.reason-card:hover .reason-img::after {
  opacity: 0.06;
}

/* Text body within reason card */
.reason-body {
  padding: var(--space-8) var(--space-8) var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
}

/* Large background number — decorative typographic element */
.reason-num {
  position: absolute;
  top: var(--space-3);
  right: var(--space-5);
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 700;
  color: var(--brand-primary);
  opacity: 0.06;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
  z-index: 0;
}

.reason-body > * {
  position: relative;
  z-index: 1;
}

.reason-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.reason-label::before {
  content: '';
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--brand-primary);
  flex-shrink: 0;
}

.reason-body h3 {
  font-size: var(--text-h3);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.reason-body p {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}

.reason-body p:last-of-type {
  margin-bottom: 0;
}

.note-small {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.6;
  font-style: italic;
  margin-top: var(--space-4);
}

/* Reason 1 specific — larger text, more breathing room */
.reason-card.r1 .reason-body {
  padding: var(--space-10) var(--space-10) var(--space-12);
  max-width: 680px;
}

.reason-card.r1 .reason-body h3 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
}

.reason-card.r1 .reason-body p {
  font-size: var(--text-body);
  max-width: 55ch;
}

/* Reason 4 — image is left column */
.reason-card.r4 .reason-img {
  grid-row: 1;
}

.reason-card.r4 .reason-body {
  justify-content: center;
}

/* Reason 5 — text first, image right */
.reason-card.r5 .reason-img {
  grid-column: 2;
  grid-row: 1;
}

.reason-card.r5 .reason-body {
  grid-column: 1;
  grid-row: 1;
  justify-content: center;
  padding: var(--space-10) var(--space-10) var(--space-10) var(--space-10);
}

.reason-card.r5 .reason-body h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
}

/* ── REASONS HEADER COMPONENTS ────────────────────────────── */
.reasons-title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.reasons-count {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-left: auto;
}

/* ── PRODUCT CTA COMPONENTS ───────────────────────────────── */

/* Product image frame — geometric cut corner */
.cta-product-frame {
  position: relative;
  clip-path: var(--clip-cut-tr-lg);
  overflow: hidden;
  background: rgba(255,255,255,0.06);
}

.cta-product-frame img {
  width: 100%;
  object-fit: contain;
  display: block;
  padding: var(--space-8);
  filter: brightness(1.05) contrast(1.05);
}

.cta-badge {
  position: absolute;
  top: var(--space-5);
  left: var(--space-5);
  background: var(--text-inverse);
  color: var(--brand-primary);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.875rem;
  clip-path: var(--clip-tag);
}

.cta-text-col {
  color: var(--text-inverse);
}

.cta-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cta-label::before {
  content: '';
  display: block;
  width: 2rem;
  height: 2px;
  background: rgba(255,255,255,0.5);
}

.cta-headline {
  font-size: var(--text-h1);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-inverse);
  line-height: 1.0;
  margin-bottom: var(--space-6);
}

.cta-copy {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  max-width: 52ch;
  margin-bottom: var(--space-8);
  font-family: var(--font-body);
  font-weight: 300;
  font-style: italic;
}

.cta-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

.cta-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.88);
  letter-spacing: 0.01em;
}

.cta-features li::before {
  content: '';
  display: block;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--text-inverse);
  flex-shrink: 0;
}

.cta-disclaimer {
  margin-top: var(--space-6);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.6;
  max-width: 48ch;
}

/* ── FOOTER COMPONENTS ────────────────────────────────────── */
.footer-section-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-5);
}

.footer-brand-statement {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-inverse);
  line-height: 1.25;
}

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

.footer-contact-list li {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
}

.footer-contact-list a {
  color: rgba(255,255,255,0.65);
  transition: color var(--t-base) ease;
}

.footer-contact-list a:hover {
  color: var(--text-inverse);
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav-list a {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.02em;
  transition: color var(--t-base) ease;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-nav-list a::before {
  content: '';
  display: block;
  width: 0.875rem;
  height: 1px;
  background: rgba(255,255,255,0.3);
  flex-shrink: 0;
  transition: width var(--t-base) ease, background var(--t-base) ease;
}

.footer-nav-list a:hover {
  color: var(--text-inverse);
}

.footer-nav-list a:hover::before {
  width: 1.5rem;
  background: var(--text-inverse);
}

.footer-disclosure-text {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}

.footer-disclosure-text strong {
  color: rgba(255,255,255,0.45);
  font-weight: 600;
}

.footer-copyright {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.06em;
}

/* ── SUBPAGE COMPONENTS ───────────────────────────────────── */
.subpage-h1 {
  font-size: var(--text-h1);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
}

.subpage-meta {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-8);
}

.subpage-h2 {
  font-size: var(--text-h3);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

.subpage-p {
  font-size: var(--text-body);
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 68ch;
  margin-bottom: var(--space-4);
}

.subpage-p a {
  color: var(--brand-primary);
  text-decoration: underline;
  text-decoration-color: rgba(0, 71, 255, 0.35);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--t-base) ease;
}

.subpage-p a:hover {
  text-decoration-color: var(--brand-primary);
}

.subpage-contact-box {
  border: 1px solid var(--border-subtle);
  border-top: 2px solid var(--brand-primary);
  padding: var(--space-6) var(--space-8);
  background: var(--surface-raised);
}

.subpage-contact-box h2 {
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  padding: 0;
  border: none;
  margin-top: 0;
}