@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

/* ==========================================================================
   RESET & TOKENS
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

html {
  scroll-behavior: smooth;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

:root {
  --sm-primary: #762c69;
  --sm-plum: #9b3a83;
  --sm-plum-light: #fff2fc;
  --sm-deep: #59214f;
  --sm-ink: #000;
  --sm-soft: #fff1fc;
  --sm-line: #e7dce5;
  --sm-white: #fff;
  --sm-shadow: 0 15px 35px rgba(63, 23, 55, .12);
  --sm-radius: 14px;
  --sm-container: min(1240px, calc(100% - 40px));
  --sm-transition: 250ms ease;
  --page-pad: max(20px, calc((100vw - 1240px) / 2));
}

body {
  overflow-x: hidden;
}

p {
  margin: 0 0 1em;
  font-size: 1.1rem;
  color: var(--sm-ink);
}

h1, h2, h3, h4 {
  color: var(--sm-ink);
  line-height: 1.25;
  margin: 0 0 .6em;
}

section {
  padding: 0 var(--page-pad);
}

.gr-container, .smtr-container, .section-inner, .sm-container {
  max-width: var(--sm-container);
  margin: 0 auto;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.brochure-btn, .smtr-primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .8rem 1.6rem;
  border-radius: var(--sm-radius);
  background: var(--sm-primary);
  color: var(--sm-white);
  font-weight: 600;
  text-align: center;
  transition: background var(--sm-transition), transform var(--sm-transition), box-shadow var(--sm-transition);
  text-decoration: none;
}

.brochure-btn:hover,
.brochure-btn:focus-visible,
.smtr-primary-btn:hover {
  background: var(--sm-plum);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(118, 44, 105, 0.25);
}

/* ==========================================================================
   PAGE BANNER & HEROES WITH ANIMATED FLOATING SHAPES
   ========================================================================== */
.banner {
  margin-top: 85px;
  position: relative;
  display: grid;
  place-items: center;
  min-height: clamp(160px, 28vw, 280px);
  overflow: hidden;
  isolation: isolate;
}

.sm-hero-art,
.sm-hero-art::before {
  inset: 0;
  position: absolute;
  z-index: -1;
}

.sm-hero-art {
  background: radial-gradient(ellipse at 80% 80%, rgba(190, 67, 174, 0.7), transparent 36%), linear-gradient(126deg, #151322 0%, #403040 45%, #8c506f 100%);
}

.sm-hero-art::before {
  content: "";
  opacity: .35;
  background: repeating-linear-gradient(45deg, transparent 0 70px, color-mix(in srgb, var(--sm-white) 12%, transparent) 71px 72px);
}

.sm-hero-art span {
  position: absolute;
  width: 32vw;
  aspect-ratio: 1;
  border: 1px solid color-mix(in srgb, var(--sm-white) 12%, transparent);
  border-radius: 50%;
  filter: blur(2px);
  animation: floatShape 12s ease-in-out infinite alternate;
}

@keyframes floatShape {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(15px, -15px) scale(1.04); }
  100% { transform: translate(-10px, 10px) scale(0.98); }
}

.sm-hero-art span:nth-child(1) {
  right: 4%;
  top: -15%;
  animation-delay: 0s;
}

.sm-hero-art span:nth-child(2) {
  left: -10%;
  bottom: -40%;
  width: 48vw;
  animation-delay: -4s;
}

.banner__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.1;
  z-index: -1;
}

.banner__title {
  position: relative;
  color: var(--sm-white);
  font-size: clamp(2rem, 5vw, 4rem);
  text-align: center;
  padding-inline: 1rem;
  margin: 0;
  font-weight: bold;
}

/* Soft Tissue Reinforcement Hero */
.smtr-hero-section {
  padding: 2rem 0;
  background: var(--sm-plum-light);
}

.smtr-hero-wrapper {
  width: var(--sm-container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 4rem;
}

.smtr-hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.smtr-hero-title {
  margin: 0;
  color: var(--sm-ink);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
}

.smtr-hero-subtitle {
  margin: 0;
  color: var(--sm-primary);
  font-size: clamp(1.3rem, 2vw, 2rem);
  font-weight: 700;
}

.smtr-hero-description {
  margin: 0;
  color: var(--sm-ink);
  line-height: 1.9;
  font-size: 1.05rem;
}

.smtr-hero-actions {
  margin-top: .5rem;
}

.smtr-primary-btn {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 2rem;
  background: var(--sm-primary);
  color: var(--sm-white);
  text-decoration: none;
  border-radius: 50px;
  transition: background var(--sm-transition), transform var(--sm-transition), box-shadow var(--sm-transition);
}

.smtr-primary-btn:hover {
  background: var(--sm-deep);
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(89, 33, 79, 0.3);
}

.smtr-hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
}

.smtr-hero-image img {
  width: 100%;
  max-width: 420px;
  height: auto;
  display: block;
  transition: transform var(--sm-transition);
}

.smtr-hero-image:hover img {
  transform: scale(1.03);
}

/* ==========================================================================
   SECTION HEADING STRIP
   ========================================================================== */
.section-strip__title {
  color: var(--sm-primary);
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: bold;
  text-align: left;
}

.title-line {
  width: 70px;
  height: 3px;
  background: var(--sm-primary);
  margin: 18px 0;
  border-radius: 50px;
  transition: width var(--sm-transition);
}

section:hover .title-line {
  width: 105px;
}

/* ===== PROCEDURE TIMELINE ===== */
.gr-timeline {
  position: relative;
  margin: 0 auto;
  padding-left: 2.4rem;
}

.gr-timeline::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 0.3rem;
  bottom: 0.3rem;
  width: 2px;
  background: var(--sm-line);
}

.gr-tl-item {
  position: relative;
  padding-bottom: 2.6rem;
}

.gr-tl-item:last-child {
  padding-bottom: 0;
}

.gr-tl-item::before {
  content: "";
  position: absolute;
  left: -2.4rem;
  top: 0.25rem;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--sm-primary);
  border: 3px solid var(--sm-white);
  box-shadow: 0 0 0 2px var(--sm-plum-light);
  transition: transform var(--sm-transition), background var(--sm-transition);
}

.gr-tl-item:hover::before {
  transform: scale(1.3);
  background: var(--sm-plum);
}

.gr-tl-tag {
  font-size: 1.1rem;
  color: var(--sm-plum);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.gr-tl-item h4 {
  font-size: 1.3rem;
  margin: 0.3rem 0 0.6rem;
}

.gr-tl-imgs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
  gap: 1rem;
}

.gr-tl-imgs figure, .last-images figure {
  margin: 0;
  width: 100%;
  overflow: hidden;
  border-radius: var(--sm-radius);
}

.gr-tl-imgs img, .last-images img {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--sm-radius);
  box-shadow: var(--sm-shadow);
  display: block;
  transition: transform var(--sm-transition);
}

.gr-tl-imgs figure:hover img, .last-images figure:hover img {
  transform: scale(1.03);
}

.gr-tl-imgs figcaption, .last-images figcaption {
  font-size: 1rem;
  color: var(--sm-ink);
  margin-top: 0.4rem;
  text-align: center;
  padding: 15px;
}

.last-images {
  display: flex;
  justify-content: center;
  margin: 30px 0;
  max-width: 650px;
  margin-inline: auto;
}

/* ===== GENERIC SECTION ===== */
.gr-section {
  padding: clamp(2.8rem, 6vw, 2rem) 0;
}

.gr-section-head {
  
  margin: 0 auto clamp(2.2rem, 4.5vw, 3rem);
}



.gr-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 1rem;
  color: var(--sm-primary);
  font-weight: 700;
  text-align: left;
  margin-bottom: 0.4rem;
}

/* ===== ABSTRACT ===== */
.gr-abstract {
  background: var(--sm-white);
  border-left: 4px solid var(--sm-primary);
  border-radius: var(--sm-radius);
  padding: 1.8rem 2rem;
  box-shadow: var(--sm-shadow);
  font-size: 1.1rem;
  color: var(--sm-ink);
  transition: transform var(--sm-transition);
}

.gr-abstract:hover {
  transform: translateX(4px);
}

.gr-keywords {
  margin-top: 1.2rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.gr-kw {
  font-size: 0.9rem;
  background: var(--sm-plum-light);
  color: var(--sm-primary);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  transition: background var(--sm-transition), color var(--sm-transition);
}

.gr-kw:hover {
  background: var(--sm-primary);
  color: var(--sm-white);
}

/* ===== RESULTS BAND ===== */
.gr-results-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: 1.2rem;
}

.gr-result-tile {
  background: var(--sm-white);
  border: 1px solid var(--sm-line);
  border-radius: var(--sm-radius);
  box-shadow: var(--sm-shadow);
  padding: 1.6rem 1.2rem;
  text-align: center;
  transition: transform var(--sm-transition), box-shadow var(--sm-transition);
}

.gr-result-tile:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(63, 23, 55, 0.16);
}

.gr-result-tile .num {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  font-weight: 700;
  color: var(--sm-primary);
  margin-bottom: 0.4rem;
}

.gr-result-tile .cap {
  font-size: 1rem;
  color: var(--sm-ink);
}

/* ===== CTA / CONCLUSION ===== */
.gr-cta {

  margin: 0 auto;
  text-align: justify;
}

.gr-cta h1 {
  color: var(--sm-primary);
}

/* ─── BEFORE / AFTER CASE STUDIES ──────────────────── */
.cases-section {
  background: var(--sm-soft);
  padding: clamp(2.8rem, 6vw, 2rem) 0;
}

.cases-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
}

.section-desc {
  color: var(--sm-ink);
  text-align: justify;
}

.cases-grid, .cases-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(280px, 1fr));
  gap: 24px;
  width: 100%;
  margin-bottom: 30px;
}

.case-card {
  background: var(--sm-white);
  border-radius: var(--sm-radius);
  overflow: hidden;
  box-shadow: var(--sm-shadow);
  border: 1px solid var(--sm-line);
  display: flex;
  flex-direction: column;
  transition: transform var(--sm-transition), border-color var(--sm-transition), box-shadow var(--sm-transition);
}

.case-card:hover {
  transform: translateY(-6px);
  border-color: var(--sm-plum);
  box-shadow: 0 20px 40px rgba(63, 23, 55, 0.16);
}

.case-img-wrap {
  width: 100%;
  height: 320px;
  overflow: hidden;
  background: var(--sm-plum-light);
}

.case-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--sm-transition);
}

.case-card:hover .case-img-wrap img {
  transform: scale(1.04);
}

.case-body {
  padding: 16px;
  text-align: center;
  background: var(--sm-white);
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-title {
  color: var(--sm-primary);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
}

.case-num h2 {
  padding: 20px 0 10px;
  font-size: 1.5rem;
  color: #000;
}

/* ================= CASE STUDIES VIDEO ================= */


.case-study {
  padding: 48px 24px;
}

.case-study-grid {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 900px;
  margin: 0 auto;
}

.case_video {
  display: flex;
  flex-direction: column;
}

.mv-case {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  color: var(--navy-brand, #1F2A44);
}

.mv-case sup {
  color: var(--purple-brand, #6B4EA0);
  font-size: 0.65em;
}

.video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.video-container video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* Reveal animation hook (if used with an IntersectionObserver elsewhere) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 9-tier responsive breakpoints */
@media (max-width: 480px) {
  .case-study {
    padding: 32px 16px;
  }
  .mv-case {
    font-size: 18px;
    margin-bottom: 12px;
  }
}

@media (min-width: 1920px) {
  .case-study {
    padding: 64px 32px;
  }
  .case-study-grid {
    max-width: 1100px;
  }
}
/* Interactive Tabs Section */



/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.reveal, .gr-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.visible, .gr-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 900px) {
  .smtr-hero-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .smtr-hero-content {
    align-items: center;
  }

  .cases-grid, .cases-grid-3 {
    grid-template-columns: repeat(2, minmax(240px, 1fr));
  }
}

@media (max-width: 640px) {
  .banner {
    margin-top: 70px;
  }
  .cases-grid, .cases-grid-3 {
    grid-template-columns: 1fr;
  }
  .gr-timeline {
    padding-left: 0rem;
  }

  .sm-container {
    padding: 15px;
  }
  .gr-timeline::before{
    content: none;
  }
  .gr-tl-item::before{
    content: none;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal, .gr-reveal,
  .brochure-btn,
  .smtr-primary-btn,
  .case-card,
  .gr-result-tile,
  .sm-hero-art span {
    transition: none !important;
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}