/* ==========================================================================
   CERAGRIP™ Signature Innovation Page V2
   Extends PDP V2 (gripnex-v2) + master-v2 tokens.
   Scoped to .sig-pdp — does not alter standard product pages.
   Editorial storytelling · photography-first · card-free.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base rhythm — generous editorial breathing room
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__section {
  padding-top: clamp(6rem, 4.5rem + 5vw, 10rem);
  padding-bottom: clamp(6rem, 4.5rem + 5vw, 10rem);
  padding-left: var(--section-padding-x);
  padding-right: var(--section-padding-x);
  background-color: #ffffff;
}

.sig-pdp .sig-pdp__container {
  width: 100%;
  max-width: var(--desktop-content-max);
  margin-left: auto;
  margin-right: auto;
}

.sig-pdp .sig-pdp__container--wide {
  max-width: min(1440px, 100%);
}

.sig-pdp .sig-pdp__eyebrow,
.sig-pdp .sig-pdp__caption {
  margin: 0 0 var(--stack-eyebrow-title);
  font-size: var(--text-body-s);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #174B71;
  line-height: var(--lh-body-tight);
}

.sig-pdp .sig-pdp__title {
  margin: 0 0 var(--space-6);
  font-size: clamp(2.35rem, 1.65rem + 2.6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: var(--ls-heading);
  color: #252525;
}

.sig-pdp .sig-pdp__body {
  margin: 0;
  max-width: 36rem;
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.2rem);
  font-weight: var(--text-body-weight);
  line-height: 1.65;
  color: var(--color-text-muted);
}

.sig-pdp .sig-pdp__body + .sig-pdp__body {
  margin-top: var(--space-5);
}

.sig-pdp .sig-pdp__visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Shared media — 28px radius, soft natural depth only on float */
.sig-pdp .sig-pdp__media {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  overflow: hidden;
  border-radius: 28px;
  background-color: #f5f5f5;
}

.sig-pdp .sig-pdp__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.sig-pdp .sig-pdp__media[data-editorial-placeholder] .sig-pdp__image {
  opacity: 0;
}

/* Unique proportions — avoid visual repetition */
.sig-pdp .sig-pdp__media--float {
  aspect-ratio: 4 / 3;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.06);
}

.sig-pdp .sig-pdp__media--cinematic {
  aspect-ratio: 21 / 9;
  margin-top: var(--space-10);
}

.sig-pdp .sig-pdp__media--landscape {
  aspect-ratio: 16 / 10;
}

.sig-pdp .sig-pdp__media--portrait {
  aspect-ratio: 3 / 4;
}

.sig-pdp .sig-pdp__media--macro {
  aspect-ratio: 16 / 11;
  min-height: min(72vh, 820px);
}

.sig-pdp .sig-pdp__media--profile {
  aspect-ratio: 3 / 1;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
  background-color: #fafafa;
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.05);
}

.sig-pdp .sig-pdp__media--stability {
  aspect-ratio: 4 / 5;
}

.sig-pdp .sig-pdp__media--panorama {
  aspect-ratio: 21 / 8;
}

.sig-pdp .sig-pdp__media--square {
  aspect-ratio: 1 / 1;
}

@media (max-width: 768px) {
  .sig-pdp .sig-pdp__media--cinematic,
  .sig-pdp .sig-pdp__media--panorama {
    aspect-ratio: 16 / 10;
  }

  .sig-pdp .sig-pdp__media--profile {
    aspect-ratio: 16 / 7;
  }

  .sig-pdp .sig-pdp__media--macro {
    aspect-ratio: 4 / 5;
    min-height: 0;
  }
}

/* --------------------------------------------------------------------------
   01 — Hero: calm editorial hierarchy → floating product
   Eye path: CERAGRIP™ → headline → paragraph → CTA → photography
   -------------------------------------------------------------------------- */

.sig-pdp .pdp-hero--signature .pdp-hero__badges {
  display: none;
}

.sig-pdp .pdp-hero--signature .pdp-hero__grid {
  display: none;
}

.sig-pdp .sig-pdp__hero-story {
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

.sig-pdp .pdp-hero--signature .pdp-hero__eyebrow {
  margin: var(--space-6) 0 var(--space-4);
  color: #F37F0C;
  font-size: var(--text-body-s);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: var(--lh-body-tight);
}

.sig-pdp .sig-pdp__launch-badge {
  margin: 0 0 var(--space-7);
  padding: 0;
  border: 0;
  background: none;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  line-height: var(--lh-body-tight);
}

.sig-pdp .sig-pdp__product-mark {
  margin: 0 0 var(--space-5);
  font-size: clamp(2.75rem, 2.1rem + 2.4vw, 4.25rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #174B71;
  line-height: 1.05;
}

.sig-pdp .pdp-hero--signature .pdp-hero__title {
  margin: 0 auto var(--space-6);
  max-width: 34rem;
  font-size: clamp(1.625rem, 1.35rem + 1.1vw, 2.375rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: var(--ls-heading-m);
  text-align: center;
  color: #252525;
  text-wrap: balance;
}

.sig-pdp .pdp-hero--signature .pdp-hero__intro {
  margin: 0 auto;
  max-width: 480px;
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  line-height: 1.65;
  text-align: center;
  color: var(--color-text-muted);
  text-wrap: pretty;
}

.sig-pdp .pdp-hero--signature .pdp-hero__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: var(--space-9);
  margin-bottom: var(--space-10);
}

.sig-pdp .sig-pdp__hero-media {
  width: 100%;
  max-width: min(1080px, 100%);
  margin: 0 auto;
}

.sig-pdp .pdp-hero--signature .sig-pdp__media--float {
  aspect-ratio: 1672 / 941;
  border-radius: 28px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.05);
}

@media (min-width: 769px) {
  .sig-pdp .pdp-hero--signature {
    padding-bottom: clamp(5rem, 3.5rem + 3vw, 7rem);
  }

  .sig-pdp .pdp-hero--signature .pdp-hero__eyebrow {
    margin-top: var(--space-8);
  }

  .sig-pdp .sig-pdp__hero-media {
    max-width: min(1280px, 100%);
  }
}

@media (min-width: 1440px) {
  .sig-pdp .sig-pdp__hero-media {
    max-width: min(1360px, 100%);
  }

  .sig-pdp .pdp-hero--signature .pdp-hero__title {
    max-width: 36rem;
  }
}

@media (max-width: 768px) {
  .sig-pdp .pdp-hero--signature .pdp-hero__title {
    max-width: 20rem;
  }

  .sig-pdp .pdp-hero--signature .pdp-hero__intro {
    max-width: 22rem;
  }

  .sig-pdp .pdp-hero--signature .pdp-hero__buttons {
    margin-top: var(--space-8);
    margin-bottom: var(--space-8);
  }
}

/* --------------------------------------------------------------------------
   02 — Why CERAGRIP manifesto
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__manifesto {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(2.25rem, 1.5rem + 3vw, 4.25rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: var(--ls-heading);
  color: #252525;
}

.sig-pdp .sig-pdp__manifesto-line {
  display: block;
}

.sig-pdp .sig-pdp__manifesto-break {
  display: block;
  height: var(--space-8);
}

.sig-pdp .sig-pdp__manifesto-line--accent {
  color: #174B71;
}

/* --------------------------------------------------------------------------
   03 — One Industry
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__industry-header {
  max-width: 38rem;
  margin-bottom: var(--space-9);
}

/* --------------------------------------------------------------------------
   04 — Engineering Journey
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__journey-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-9);
  align-items: start;
}

.sig-pdp .sig-pdp__timeline {
  margin: var(--space-8) 0 0;
  padding: 0;
  list-style: none;
}

.sig-pdp .sig-pdp__timeline li {
  position: relative;
  margin: 0;
  padding: var(--space-4) 0 var(--space-4) var(--space-6);
  border-left: 1px solid rgba(37, 37, 37, 0.14);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  font-weight: 600;
  line-height: 1.4;
  color: #252525;
}

.sig-pdp .sig-pdp__timeline li:last-child {
  color: #174B71;
}

.sig-pdp .sig-pdp__timeline li::before {
  content: "";
  position: absolute;
  left: -3.5px;
  top: calc(var(--space-4) + 0.55em);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #174B71;
}

@media (min-width: 900px) {
  .sig-pdp .sig-pdp__journey-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.9fr);
    gap: clamp(3rem, 2rem + 4vw, 6.5rem);
    align-items: center;
  }
}

/* --------------------------------------------------------------------------
   05 — Macro fibre
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__macro-copy {
  max-width: 28rem;
  margin: 0 0 var(--space-7);
}

.sig-pdp .sig-pdp__macro .sig-pdp__title {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   06 — Precision profile + floating labels
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__precision-header {
  max-width: 34rem;
  margin: 0 auto var(--space-10);
  text-align: center;
}

.sig-pdp .sig-pdp__precision-header .sig-pdp__title {
  margin-bottom: 0;
}

.sig-pdp .sig-pdp__precision-stage {
  display: grid;
  gap: var(--space-8);
}

.sig-pdp .sig-pdp__float-callouts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-5) var(--space-8);
  margin: 0;
  padding: 0;
  list-style: none;
}

.sig-pdp .sig-pdp__float-callouts li {
  margin: 0;
  font-size: var(--text-body-s);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #252525;
  line-height: var(--lh-body-tight);
}

@media (min-width: 900px) {
  .sig-pdp .sig-pdp__float-callouts {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--space-5);
    text-align: center;
  }

  .sig-pdp .sig-pdp__float-callouts li {
    font-size: clamp(0.7rem, 0.65rem + 0.2vw, 0.8125rem);
  }
}

@media (max-width: 768px) {
  .sig-pdp .sig-pdp__float-callouts {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
}

/* --------------------------------------------------------------------------
   07 — Manufacturing Stability statements
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__stability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-9);
  align-items: center;
}

.sig-pdp .sig-pdp__statements {
  margin: var(--space-8) 0 0;
  padding: 0;
  list-style: none;
}

.sig-pdp .sig-pdp__statements li {
  margin: 0;
  padding: var(--space-5) 0;
  border-top: 1px solid rgba(37, 37, 37, 0.1);
}

.sig-pdp .sig-pdp__statements li:last-child {
  border-bottom: 1px solid rgba(37, 37, 37, 0.1);
}

.sig-pdp .sig-pdp__statement-lead {
  display: block;
  font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.625rem);
  font-weight: 700;
  line-height: 1.25;
  color: #252525;
}

.sig-pdp .sig-pdp__statement-contrast {
  display: block;
  margin-top: var(--space-2);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text-muted);
}

@media (min-width: 900px) {
  .sig-pdp .sig-pdp__stability-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(3rem, 2rem + 4vw, 6rem);
  }
}

/* --------------------------------------------------------------------------
   08 — Engineering Numbers (editorial statistic block)
   Four equal columns · centered metrics · shared optical baseline
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__numbers {
  padding-top: clamp(5.5rem, 4.5rem + 4vw, 9.5rem);
  padding-bottom: clamp(5.5rem, 4.5rem + 4vw, 9.5rem);
}

.sig-pdp .sig-pdp__numbers-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-9);
  margin: 0;
  padding: 0;
  list-style: none;
  align-items: start;
}

.sig-pdp .sig-pdp__numbers-list li {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  margin: 0;
  padding: 0;
  text-align: center;
  min-width: 0;
}

.sig-pdp .sig-pdp__number-value {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  width: 100%;
  min-height: 1em;
  font-size: clamp(3.75rem, 2.25rem + 4.5vw, 6.75rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: #252525;
  text-align: center;
}

.sig-pdp .sig-pdp__number-label {
  display: block;
  margin-top: 24px;
  max-width: 12ch;
  font-size: clamp(0.9375rem, 0.9rem + 0.2vw, 1.0625rem);
  font-weight: 500;
  line-height: 1.35;
  color: #6C7183;
  text-align: center;
}

@media (min-width: 640px) and (max-width: 1023px) {
  .sig-pdp .sig-pdp__numbers-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-10) var(--space-6);
  }
}

@media (min-width: 1024px) {
  .sig-pdp .sig-pdp__numbers-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: clamp(1.5rem, 1rem + 2vw, 3rem);
    row-gap: 0;
  }

  .sig-pdp .sig-pdp__number-value {
    font-size: clamp(4.5rem, 3rem + 3.2vw, 6.75rem);
  }

  .sig-pdp .sig-pdp__number-label {
    margin-top: 28px;
  }
}

@media (min-width: 1440px) {
  .sig-pdp .sig-pdp__numbers-list {
    column-gap: clamp(2rem, 1.5rem + 2vw, 4rem);
  }
}

/* --------------------------------------------------------------------------
   Specs + FAQ spacing
   -------------------------------------------------------------------------- */

.sig-pdp .pdp-specs,
.sig-pdp .pdp-faq {
  background-color: #ffffff;
  padding-top: clamp(6rem, 4.5rem + 4vw, 9rem);
  padding-bottom: clamp(6rem, 4.5rem + 4vw, 9rem);
}

.sig-pdp .pdp-specs__header,
.sig-pdp .pdp-faq__header {
  max-width: 40rem;
  margin-bottom: var(--space-8);
}

.sig-pdp .pdp-specs__title,
.sig-pdp .pdp-faq__title {
  font-size: clamp(2rem, 1.5rem + 1.6vw, 2.85rem);
}

.sig-pdp .pdp-faq__list {
  margin-top: var(--space-4);
}

.sig-pdp .pdp-faq__item {
  margin-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   10 — Engineered in India
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__india-header {
  max-width: 42rem;
  margin-bottom: var(--space-10);
}

.sig-pdp .sig-pdp__india .sig-pdp__title {
  font-size: clamp(2.6rem, 1.9rem + 3vw, 4.5rem);
  line-height: 1.06;
}

/* --------------------------------------------------------------------------
   11 — Who CERAGRIP Is For
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__audience .sig-pdp__title {
  margin-bottom: var(--space-9);
}

.sig-pdp .sig-pdp__audience-list {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 40rem;
}

.sig-pdp .sig-pdp__audience-list li {
  margin: 0;
  padding: var(--space-5) 0;
  border-top: 1px solid rgba(37, 37, 37, 0.1);
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.875rem);
  font-weight: 600;
  line-height: 1.3;
  color: #252525;
}

.sig-pdp .sig-pdp__audience-list li:last-child {
  border-bottom: 1px solid rgba(37, 37, 37, 0.1);
}

/* --------------------------------------------------------------------------
   13 — Final CTA
   -------------------------------------------------------------------------- */

.sig-pdp .sig-pdp__cta {
  padding-top: clamp(6rem, 5rem + 4vw, 10rem);
  padding-bottom: clamp(6rem, 5rem + 4vw, 10rem);
}

.sig-pdp .sig-pdp__cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-9);
  align-items: center;
}

.sig-pdp .sig-pdp__cta .sig-pdp__media--square {
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
  background-color: #fafafa;
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.05);
}

.sig-pdp .sig-pdp__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--stack-body-action);
}

.sig-pdp .sig-pdp__cta .pdp-hero__cta,
.sig-pdp .pdp-hero--signature .pdp-hero__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

@media (min-width: 900px) {
  .sig-pdp .sig-pdp__cta-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--space-10);
  }

  .sig-pdp .sig-pdp__cta .sig-pdp__media--square {
    margin-left: 0;
    margin-right: 0;
    max-width: none;
  }
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .sig-pdp .sig-pdp__image,
  .sig-pdp .pdp-hero__image {
    transition: none;
  }

  .sig-pdp .sig-pdp__media--float,
  .sig-pdp .sig-pdp__media--profile,
  .sig-pdp .sig-pdp__media--square {
    box-shadow: none;
  }
}