:root {
    --ivf-bg: #050816;
    --ivf-bg-soft: #0a1022;
    --ivf-primary: #4f46e5;
    --ivf-primary-soft: rgba(79, 70, 229, 0.2);
    --ivf-accent: #22d3ee;
    --ivf-text: #e5e7eb;
    --ivf-muted: #9ca3af;
    --ivf-border: rgba(148, 163, 184, 0.2);
    --ivf-radius-lg: 20px;
    --ivf-radius-xl: 28px;
    --ivf-shadow-soft: 0 22px 60px rgba(15, 23, 42, 0.7);
    --ivf-shadow-glow: 0 0 40px rgba(79, 70, 229, 0.55);
  }
  
  /* BASIC RESET FOR THIS PAGE SCOPE */
  .ivf-page * {
    box-sizing: border-box;
  }
  
  /* PAGE WRAPPER */
  .ivf-page {
    background: radial-gradient(circle at top, #111827 0, #020617 50%, #000 100%);
    color: var(--ivf-text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    padding: 4rem 1.5rem 5rem;
  }
  
  /* SECTIONS */
  .ivf-section {
    max-width: 1120px;
    margin: 0 auto 4rem;
  }
  
  .ivf-section-header {
    text-align: center;
    margin-bottom: 2.5rem;
  }
  
  .ivf-section-header h2 {
    font-size: clamp(1.9rem, 2.3vw, 2.4rem);
    margin-bottom: 0.6rem;
  }
  
  .ivf-section-header p {
    color: var(--ivf-muted);
    max-width: 620px;
    margin: 0 auto;
  }
  
  /* HERO LAYOUT */
  .ivf-hero {
    max-width: 1120px;
    margin: 0 auto 4rem;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
  }
  
  .ivf-hero-content {
    position: relative;
  }
  
  .ivf-title {padding-top: 45%;
    font-size: clamp(2.4rem, 4vw, 3.2rem);
    line-height: 1.1;
    margin-bottom: 1rem;
  }
  
  .ivf-title span {
    color: var(--ivf-accent);
  }
  
  .ivf-subtitle {
    color: var(--ivf-muted);
    max-width: 540px;
    margin-bottom: 1.8rem;
  }
  
  /* CTA BUTTONS */
  .ivf-hero-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.8rem;
  }
  
  .ivf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.18s ease-out, box-shadow 0.18s ease-out, background 0.18s ease-out, border-color 0.18s ease-out;
  }
  
  .ivf-btn.primary {
    background: linear-gradient(135deg, var(--ivf-primary), var(--ivf-accent));
    color: white;
    box-shadow: var(--ivf-shadow-glow);
  }
  
  .ivf-btn.primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 26px 60px rgba(56, 189, 248, 0.45);
  }
  
  .ivf-btn.ghost {
    background: transparent;
    color: var(--ivf-text);
    border-color: var(--ivf-border);
  }
  
  .ivf-btn.ghost:hover {
    border-color: var(--ivf-primary);
    background: rgba(15, 23, 42, 0.9);
  }
  
  .ivf-btn.wide {
    width: 100%;
  }
  
  /* HERO KEYPOINTS */
  .ivf-keypoints {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  
  .ivf-keypoint {
    border-radius: 999px;
    border: 1px solid var(--ivf-border);
    padding: 0.45rem 0.9rem;
    backdrop-filter: blur(16px);
    background: linear-gradient(120deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.4));
  }
  
  .kp-label {
    font-size: 0.85rem;
    color: var(--ivf-muted);
  }
  
  /* 3D HERO VISUAL */
  .ivf-hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .ivf-orbit-wrapper {
    perspective: 1400px;
  }
  
  .ivf-orbit {
    position: relative;
    width: min(320px, 80vw);
    height: min(320px, 80vw);
    border-radius: 999px;
    background: radial-gradient(circle at 30% 0%, rgba(56, 189, 248, 0.12), transparent 60%),
                radial-gradient(circle at 70% 100%, rgba(79, 70, 229, 0.18), transparent 60%);
    box-shadow: var(--ivf-shadow-soft);
    transform-style: preserve-3d;
    animation: ivf-orbit-rotate 24s linear infinite;
  }
  
  /* ORBIT RINGS */
  .ivf-orbit-ring {
    position: absolute;
    inset: 18%;
    border-radius: 999px;
    border: 1px dashed rgba(148, 163, 184, 0.25);
    transform-style: preserve-3d;
  }
  
  .ivf-orbit-ring.ring-1 {
    transform: rotateX(75deg);
  }
  
  .ivf-orbit-ring.ring-2 {
    transform: rotateY(65deg);
  }
  
  .ivf-orbit-ring.ring-3 {
    transform: rotateX(60deg) rotateY(20deg);
  }
  
  /* EMBRYO CORE */
  .ivf-embryo-core {
    position: absolute;
    inset: 50%;
    width: 120px;
    height: 120px;
    transform: translate3d(-50%, -50%, 40px);
    border-radius: 999px;
    background: radial-gradient(circle at 30% 20%, #e0f2fe, #22d3ee 50%, #4f46e5 100%);
    box-shadow: 0 0 45px rgba(56, 189, 248, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .core-glow {
    position: absolute;
    inset: -20px;
    border-radius: inherit;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.15), transparent 70%);
    filter: blur(10px);
  }
  
  .core-label {
    position: relative;
    z-index: 1;
    font-weight: 700;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    text-transform: uppercase;
  }
  
  /* FLOATING TAGS */
  .ivf-floating-tag {
    position: absolute;
    padding: 0.4rem 0.7rem;
    font-size: 0.78rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(148, 163, 184, 0.5);
    color: var(--ivf-muted);
    backdrop-filter: blur(16px);
    transform-style: preserve-3d;
    box-shadow: 0 15px 45px rgba(15, 23, 42, 0.8);
  }
  
  .ivf-floating-tag.tag-egg {
    top: 10%;
    left: 8%;
    transform: translateZ(40px);
    animation: floatTag1 6s ease-in-out infinite;
  }
  
  .ivf-floating-tag.tag-sperm {
    top: 18%;
    right: 8%;
    transform: translateZ(60px);
    animation: floatTag2 7s ease-in-out infinite;
  }
  
  .ivf-floating-tag.tag-embryo {
    bottom: 14%;
    left: 4%;
    transform: translateZ(55px);
    animation: floatTag3 5.3s ease-in-out infinite;
  }
  
  .ivf-floating-tag.tag-transfer {
    bottom: 8%;
    right: 6%;
    transform: translateZ(35px);
    animation: floatTag4 6.2s ease-in-out infinite;
  }
  
  /* STEPS 3D CARDS */
  .ivf-steps-3d {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.4rem;
    perspective: 1400px;
  }
  
  .ivf-step-card {
    position: relative;
    height: 230px;
    border-radius: var(--ivf-radius-lg);
    transform-style: preserve-3d;
  }
  
  .ivf-step-card-inner {
    height: 100%;
    width: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.5s ease;
  }
  
  .ivf-step-card:hover .ivf-step-card-inner {
    transform: rotateY(-180deg);
  }
  
  .ivf-step-card-front,
  .ivf-step-card-back {
    position: absolute;
    inset: 0;
    padding: 1.1rem 1.1rem 1.2rem;
    border-radius: var(--ivf-radius-lg);
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.96));
    border: 1px solid var(--ivf-border);
    box-shadow: var(--ivf-shadow-soft);
    backface-visibility: hidden;
  }
  
  .ivf-step-card-back {
    transform: rotateY(180deg);
  }
  
  .step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 999px;
    background: rgba(79, 70, 229, 0.25);
    font-size: 0.8rem;
    margin-bottom: 0.7rem;
  }
  
  .ivf-step-card h3 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
  }
  
  .ivf-step-card p {
    font-size: 0.88rem;
    color: var(--ivf-muted);
  }
  
  /* 3D STRIP */
  .ivf-3d-strip .ivf-strip-card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 2.2rem;
    align-items: center;
    padding: 2rem;
    border-radius: var(--ivf-radius-xl);
    background: radial-gradient(circle at top left, rgba(79, 70, 229, 0.35), rgba(15, 23, 42, 0.98));
    border: 1px solid var(--ivf-border);
    box-shadow: var(--ivf-shadow-soft);
    overflow: hidden;
  }
  
  .ivf-strip-glow {
    position: absolute;
    inset: -80px;
    background: radial-gradient(circle at 0% 0%, rgba(56, 189, 248, 0.25), transparent 60%);
    opacity: 0.6;
    pointer-events: none;
  }
  
  .ivf-strip-content {
    position: relative;
  }
  
  .ivf-strip-content h2 {
    margin-bottom: 0.7rem;
  }
  
  .ivf-strip-content p {
    color: var(--ivf-muted);
    margin-bottom: 0.9rem;
  }
  
  .ivf-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .ivf-bullets li {
    position: relative;
    padding-left: 1.3rem;
    font-size: 0.9rem;
    color: var(--ivf-text);
    margin-bottom: 0.4rem;
  }
  
  .ivf-bullets li::before {
    content: "";
    position: absolute;
    left: 0.25rem;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--ivf-accent), var(--ivf-primary));
  }
  
  /* ROTATING CYLINDER */
  .ivf-strip-side {
    position: relative;
    display: flex;
    justify-content: center;
    perspective: 1000px;
  }
  
  .ivf-cylinder {
    position: relative;
    width: 140px;
    height: 140px;
    transform-style: preserve-3d;
    animation: cylinderRotate 12s linear infinite;
  }
  
  .ivf-cylinder-face {
    position: absolute;
    inset: 0;
    border-radius: var(--ivf-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 1));
    border: 1px solid rgba(148, 163, 184, 0.5);
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.15em;
  }
  
  .face-front {
    transform: translateZ(45px);
  }
  
  .face-back {
    transform: rotateY(180deg) translateZ(45px);
  }
  
  .face-left {
    transform: rotateY(-90deg) translateZ(45px);
  }
  
  .face-right {
    transform: rotateY(90deg) translateZ(45px);
  }
  
  /* STATS GRID */
  .ivf-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
  }
  
  .ivf-stat-card {
    border-radius: var(--ivf-radius-lg);
    padding: 1.4rem 1.3rem;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.9));
    border: 1px solid var(--ivf-border);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.7);
    transform: translateY(0) translateZ(0);
    transition: transform 0.22s ease-out, box-shadow 0.22s ease-out, border-color 0.22s ease-out;
  }
  
  .ivf-stat-card:hover {
    transform: translateY(-6px) translateZ(15px);
    border-color: rgba(79, 70, 229, 0.7);
    box-shadow: 0 26px 65px rgba(15, 23, 42, 0.9);
  }
  
  .ivf-stat-card h3 {
    margin-bottom: 0.6rem;
    font-size: 1rem;
  }
  
  .ivf-stat-card p {
    font-size: 0.9rem;
    color: var(--ivf-muted);
  }
  
  /* CONSULT SECTION */
  .ivf-consult-section .ivf-consult-card {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 2.4rem;
    padding: 2.1rem;
    border-radius: var(--ivf-radius-xl);
    border: 1px solid var(--ivf-border);
    background: radial-gradient(circle at 0% 0%, rgba(56, 189, 248, 0.16), rgba(15, 23, 42, 0.98));
    box-shadow: var(--ivf-shadow-soft);
  }
  
  .ivf-consult-left h2 {
    margin-bottom: 0.7rem;
  }
  
  .ivf-consult-left p {
    color: var(--ivf-muted);
    margin-bottom: 0.9rem;
  }
  
  .ivf-consult-list {
    margin: 0;
    padding-left: 1rem;
    color: var(--ivf-text);
    font-size: 0.92rem;
  }
  
  .ivf-consult-list li + li {
    margin-top: 0.25rem;
  }
  
  .ivf-consult-right {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .ivf-consult-3d-card {
    position: relative;
    width: 100%;
    max-width: 320px;
    padding: 1.6rem 1.4rem 1.5rem;
    border-radius: 24px;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 1));
    border: 1px solid rgba(148, 163, 184, 0.6);
    box-shadow: 0 28px 70px rgba(15, 23, 42, 0.95);
    transform-style: preserve-3d;
    transform: rotateY(-14deg) rotateX(6deg) translateZ(0);
    animation: consultCardFloat 7s ease-in-out infinite;
  }
  
  .ivf-consult-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.8rem;
    font-size: 0.75rem;
    border-radius: 12px;
    background: rgba(79, 70, 229, 0.25);
    border: 1px solid rgba(79, 70, 229, 0.8);
    margin-bottom: 0.7rem;
  }
  
  .ivf-consult-line {
    font-size: 0.92rem;
    color: var(--ivf-muted);
    margin-bottom: 1.1rem;
  }
  
  /* BOOK PLACEHOLDER */
  .ivf-book-section .ivf-book-placeholder {
    border-radius: var(--ivf-radius-lg);
    padding: 1.6rem;
    border: 1px dashed rgba(148, 163, 184, 0.6);
    background: rgba(15, 23, 42, 0.8);
    text-align: center;
    color: var(--ivf-muted);
  }
  
  /* ANIMATIONS */
  @keyframes ivf-orbit-rotate {
    0% {
      transform: rotateX(18deg) rotateY(-18deg);
    }
    50% {
      transform: rotateX(26deg) rotateY(22deg);
    }
    100% {
      transform: rotateX(18deg) rotateY(342deg);
    }
  }
  
  @keyframes floatTag1 {
    0%, 100% { transform: translate3d(0, 0, 40px); }
    50% { transform: translate3d(8px, -10px, 60px); }
  }
  
  @keyframes floatTag2 {
    0%, 100% { transform: translate3d(0, 0, 60px); }
    50% { transform: translate3d(-6px, -14px, 75px); }
  }
  
  @keyframes floatTag3 {
    0%, 100% { transform: translate3d(0, 0, 55px); }
    50% { transform: translate3d(8px, 10px, 70px); }
  }
  
  @keyframes floatTag4 {
    0%, 100% { transform: translate3d(0, 0, 35px); }
    50% { transform: translate3d(-10px, 8px, 55px); }
  }
  
  @keyframes cylinderRotate {
    0% {
      transform: rotateY(0deg) translateZ(0);
    }
    100% {
      transform: rotateY(360deg) translateZ(0);
    }
  }
  
  @keyframes consultCardFloat {
    0%, 100% {
      transform: rotateY(-14deg) rotateX(6deg) translateY(0) translateZ(0);
    }
    50% {
      transform: rotateY(-10deg) rotateX(8deg) translateY(-10px) translateZ(10px);
    }
  }
  
  /* RESPONSIVE */
  @media (max-width: 960px) {
    .ivf-hero {
      grid-template-columns: minmax(0, 1fr);
      text-align: left;
    }
  
    .ivf-hero-visual {
      order: -1;
    }
  
    .ivf-steps-3d {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  
    .ivf-3d-strip .ivf-strip-card,
    .ivf-consult-section .ivf-consult-card {
      grid-template-columns: minmax(0, 1fr);
    }
  
    .ivf-consult-3d-card {
      transform: rotateY(-8deg) rotateX(5deg);
    }
  }
  
  @media (max-width: 640px) {
    .ivf-page {
      padding-inline: 1rem;
      padding-top: 3rem;
    }
  
    .ivf-steps-3d {
      grid-template-columns: minmax(0, 1fr);
    }
  
    .ivf-stats-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  
    .ivf-hero-cta-row {
      flex-direction: column;
      align-items: flex-start;
    }
  }