/* ============================================
   JIVAXIS LABS — Design System
   Mobile-first · clamp() spacing · No @import
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #06142B;
  --navy-soft: #0A1E3D;
  --blue: #2F80FF;
  --blue-soft: rgba(47, 128, 255, 0.12);
  --cyan: #56CCF2;
  --cyan-soft: rgba(86, 204, 242, 0.08);
  --white: #F8FBFF;
  --black: #101828;
  --gray-100: #F1F5F9;
  --gray-200: #E5EAF0;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;

  --font-display: 'Satoshi', 'SF Pro Display', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --max-w: 1200px;

  /* Responsive section padding — mobile first */
  --section-py: clamp(64px, 10vw, 140px);
  --section-px: clamp(16px, 5vw, 48px);
  --card-radius: clamp(12px, 2vw, 20px);
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* Utility */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--section-px);
}

.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: clamp(12px, 2vw, 20px);
}

.section-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: clamp(16px, 3vw, 24px);
}

.section-h2.light { color: #fff; }

.section-p {
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--gray-500);
  max-width: 580px;
  line-height: 1.75;
}

.section-p.light { color: rgba(255,255,255,0.55); }

/* ========== NAV ========== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: clamp(12px, 2vw, 20px) var(--section-px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.35s, backdrop-filter 0.35s, box-shadow 0.35s;
}

nav.scrolled {
  background: rgba(6, 20, 43, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fff;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: clamp(16px, 3vw, 32px);
}

.nav-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--cyan); }

.nav-cta {
  background: var(--blue);
  color: #fff;
  border: none;
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.nav-cta:hover { background: #1a6ef0; transform: translateY(-1px); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ========== 01 HERO ========== */
#hero {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: clamp(100px, 15vw, 140px) 0 clamp(60px, 10vw, 100px);
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(47,128,255,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(86,204,242,0.08) 0%, transparent 60%);
}

.spectral-lines { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.spectral-line {
  position: absolute; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(86,204,242,0.4), transparent);
  animation: spectral-move 6s ease-in-out infinite;
}
.spectral-line:nth-child(1) { top: 30%; width: 60%; left: -10%; animation-delay: 0s; }
.spectral-line:nth-child(2) { top: 50%; width: 40%; left: 20%; animation-delay: 1.5s; opacity: 0.6; }
.spectral-line:nth-child(3) { top: 70%; width: 50%; left: 5%; animation-delay: 3s; opacity: 0.4; }

@keyframes spectral-move {
  0%, 100% { transform: translateX(0); opacity: 0.3; }
  50% { transform: translateX(40px); opacity: 1; }
}

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(47,128,255,0.15);
  border: 1px solid rgba(47,128,255,0.3);
  color: var(--cyan);
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 100px;
  margin-bottom: clamp(20px, 3vw, 32px);
  position: relative; z-index: 1;
}

.hero-tag::before {
  content: ''; width: 6px; height: 6px;
  border-radius: 50%; background: var(--cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 7vw, 5.5rem);
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: clamp(4px, 1vw, 8px);
  position: relative; z-index: 1;
}

.hero-h1 strong {
  display: block;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #fff 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.5);
  max-width: 540px;
  margin: clamp(20px, 3vw, 28px) 0 clamp(28px, 4vw, 48px);
  line-height: 1.7;
  position: relative; z-index: 1;
}

.hero-ctas {
  display: flex;
  gap: clamp(10px, 2vw, 16px);
  flex-wrap: wrap;
  position: relative; z-index: 1;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  padding: clamp(14px, 2vw, 16px) clamp(24px, 4vw, 32px);
  border-radius: 10px;
  border: none;
  font-size: clamp(0.88rem, 1.3vw, 0.95rem);
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 30px rgba(47,128,255,0.3);
  text-align: center;
}

.btn-primary:hover {
  background: #1a6ef0;
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(47,128,255,0.45);
}

.btn-lg { padding: clamp(16px, 2.5vw, 18px) clamp(32px, 5vw, 40px); font-size: clamp(0.95rem, 1.5vw, 1rem); }

.btn-secondary {
  background: transparent;
  color: rgba(255,255,255,0.75);
  padding: clamp(14px, 2vw, 16px) clamp(24px, 4vw, 32px);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.2);
  font-size: clamp(0.88rem, 1.3vw, 0.95rem);
  font-weight: 500;
  cursor: pointer;
  display: inline-block;
  transition: border-color 0.2s, color 0.2s;
  text-align: center;
}

.btn-secondary:hover { border-color: var(--cyan); color: var(--cyan); }

.hero-trust-bar {
  margin-top: clamp(48px, 8vw, 80px);
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.5vw, 12px);
  flex-wrap: wrap;
  color: rgba(255,255,255,0.35);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  font-weight: 500;
  position: relative; z-index: 1;
}

.hero-trust-bar > span { color: rgba(86,204,242,0.7); }
.trust-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  flex-shrink: 0;
}

/* ========== SECTIONS BASE ========== */
section {
  padding: var(--section-py) 0;
}

/* ========== 02 TRUST ========== */
#trust { background: #fff; }

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: var(--card-radius);
  overflow: hidden;
  margin-top: clamp(32px, 5vw, 64px);
}

.trust-card {
  background: #fff;
  padding: clamp(28px, 4vw, 40px) clamp(24px, 3.5vw, 36px);
  transition: background 0.3s;
}

.trust-card:hover { background: #f0f6ff; }

.trust-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-soft), var(--cyan-soft));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.trust-card h3 {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.trust-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ========== 03 PROBLEM ========== */
#problem { background: var(--navy); }

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  margin-top: clamp(32px, 5vw, 64px);
}

.problem-quote {
  padding: clamp(24px, 4vw, 40px);
  border-left: 2px solid var(--blue);
  background: rgba(47,128,255,0.06);
  border-radius: 0 12px 12px 0;
}

.problem-quote p {
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  color: rgba(255,255,255,0.8);
  line-height: 1.75;
  margin-bottom: 16px;
}

.problem-kicker {
  margin-top: 20px;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
}

.problem-pain { display: flex; flex-direction: column; gap: 8px; }

.pain-item {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.4);
  padding-left: 14px;
  position: relative;
}

.pain-item::before {
  content: '—';
  position: absolute; left: 0;
  color: rgba(86,204,242,0.5);
}

.problem-signals { display: flex; flex-direction: column; gap: 12px; }

.signal-item {
  display: flex; align-items: center; gap: 14px;
  padding: clamp(14px, 2vw, 18px) clamp(16px, 2.5vw, 24px);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.03);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
  transition: border-color 0.3s;
}

.signal-item:hover { border-color: rgba(86,204,242,0.3); }

.signal-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}

.signal-dot.c { background: var(--cyan); }
.signal-dot.b { background: var(--blue); }

/* ========== 04 CATEGORY ========== */
#category { background: var(--white); }

.category-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  margin-top: clamp(32px, 5vw, 64px);
}

.reframe-table { width: 100%; border-collapse: collapse; }

.reframe-table th {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  padding: 12px 16px; text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.reframe-table th.accent { color: var(--blue); }

.reframe-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--gray-200);
}

.reframe-table td:first-child { color: var(--gray-500); text-decoration: line-through; }
.reframe-table td:last-child { color: var(--navy); font-weight: 600; }

.category-quote {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.8rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--navy);
}

.category-quote em { font-style: italic; }
.category-quote strong { font-weight: 700; color: var(--blue); }

/* ========== 05 PRODUCT ========== */
#product { background: var(--navy); }

.product-flow {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: clamp(32px, 6vw, 64px);
  flex-wrap: wrap;
  justify-content: center;
}

.flow-step {
  flex: 1;
  min-width: 140px;
  text-align: center;
  padding: clamp(20px, 3vw, 32px) clamp(12px, 2vw, 20px);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  transition: border-color 0.3s, background 0.3s;
}

.flow-step.active {
  border-color: rgba(47,128,255,0.3);
  background: rgba(47,128,255,0.08);
}

.flow-step:hover { border-color: rgba(86,204,242,0.3); }

.flow-icon { font-size: clamp(1.6rem, 2.5vw, 2rem); margin-bottom: 14px; }

.flow-num {
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 6px;
}

.flow-step h3 {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 1.2vw, 0.95rem);
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.flow-step p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

.flow-arrow {
  display: flex; align-items: center;
  color: rgba(255,255,255,0.12);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  padding: 0 clamp(4px, 1vw, 12px);
  flex-shrink: 0;
}

/* ========== 06 HOW IT WORKS ========== */
#how { background: #fff; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: clamp(16px, 2.5vw, 32px);
  margin-top: clamp(32px, 5vw, 64px);
}

.step-card {
  padding: clamp(24px, 3.5vw, 36px) clamp(20px, 3vw, 28px);
  border-radius: 16px;
  border: 1px solid var(--gray-200);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.step-card:hover {
  border-color: var(--blue);
  box-shadow: 0 8px 32px rgba(47,128,255,0.08);
}

.step-num {
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--blue);
  margin-bottom: 16px;
}

.step-card h3 {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.65;
}

.tech-note {
  margin-top: clamp(32px, 5vw, 48px);
  padding: clamp(16px, 2.5vw, 24px) clamp(20px, 3vw, 32px);
  background: rgba(47,128,255,0.04);
  border: 1px solid rgba(47,128,255,0.15);
  border-radius: 12px;
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.65;
}

.tech-note strong { color: var(--navy); }

/* ========== 07 BIOMARKERS ========== */
#biomarkers { background: var(--navy); }

.biomarker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: clamp(10px, 1.5vw, 16px);
  margin-top: clamp(32px, 5vw, 64px);
}

.bio-card {
  padding: clamp(20px, 3vw, 28px) clamp(16px, 2.5vw, 24px);
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  transition: all 0.3s;
}

.bio-card:hover {
  border-color: rgba(86,204,242,0.4);
  background: rgba(86,204,242,0.06);
  transform: translateY(-4px);
}

.bio-cat {
  font-size: 0.68rem; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 12px;
}

.bio-card h3 {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.bio-card p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.6;
}

/* ========== 08 REPORT CARD ========== */
#report { background: var(--white); }

.report-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  margin-top: clamp(32px, 5vw, 64px);
}

.report-ui {
  background: var(--navy);
  border-radius: clamp(16px, 2.5vw, 24px);
  padding: clamp(24px, 4vw, 40px);
  box-shadow: 0 32px 80px rgba(6,20,43,0.15);
}

.report-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.report-title {
  font-family: var(--font-display);
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
}

.report-date { font-size: 0.72rem; color: rgba(255,255,255,0.25); }

.score-cards { display: flex; flex-direction: column; gap: 10px; }

.score-card {
  display: flex; align-items: center; gap: clamp(10px, 1.5vw, 16px);
  padding: clamp(12px, 1.8vw, 16px) clamp(14px, 2vw, 20px);
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.06);
}

.score-label {
  font-size: 0.78rem; font-weight: 600;
  color: rgba(255,255,255,0.7);
  flex: 1;
  min-width: 0;
}

.score-grade {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  font-weight: 800;
  color: var(--cyan);
  width: 28px;
  flex-shrink: 0;
}

.score-bar-wrap {
  flex: 1;
  min-width: 40px;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.score-bar {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.score-bar.warn { background: linear-gradient(90deg, #FFD166, #FFB020); }

.score-pct {
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  flex-shrink: 0;
}

.report-features { display: flex; flex-direction: column; gap: clamp(16px, 2.5vw, 24px); }

.report-feat { display: flex; gap: clamp(12px, 1.8vw, 16px); }

.feat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--blue-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.feat-text h4 {
  font-family: var(--font-display);
  font-size: 0.9rem; font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.feat-text p {
  font-size: 0.82rem;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ========== 09 WHY ========== */
#why { background: var(--navy); }

.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: clamp(32px, 5vw, 64px);
}

.compare-table th {
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: clamp(12px, 1.5vw, 16px) clamp(14px, 2vw, 24px);
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.compare-table th:first-child { color: rgba(255,255,255,0.35); }
.compare-table th.accent { color: var(--cyan); }

.compare-table td {
  padding: clamp(12px, 1.8vw, 18px) clamp(14px, 2vw, 24px);
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.compare-table td:first-child { color: rgba(255,255,255,0.3); }
.compare-table td:last-child { color: rgba(255,255,255,0.85); font-weight: 500; }

.big-statement {
  margin-top: clamp(40px, 6vw, 64px);
  padding: clamp(28px, 4vw, 48px);
  background: rgba(47,128,255,0.06);
  border: 1px solid rgba(47,128,255,0.15);
  border-radius: var(--card-radius);
  text-align: center;
}

.big-statement p {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.8rem);
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

.big-statement strong { color: #fff; font-weight: 700; }

/* ========== 10 CULTURE ========== */
#culture { background: var(--white); }

.culture-quote {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.8rem);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.55;
  max-width: 700px;
  margin: clamp(28px, 4vw, 48px) 0;
}

.culture-quote em { font-style: italic; color: var(--blue); }

.culture-blockquote {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 500;
  border-left: 2px solid var(--blue);
  padding: clamp(18px, 2.5vw, 24px) clamp(20px, 3vw, 32px);
  color: var(--navy);
  background: rgba(47,128,255,0.04);
  border-radius: 0 12px 12px 0;
  max-width: 640px;
  margin-bottom: clamp(32px, 5vw, 48px);
}

.habit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: clamp(10px, 1.5vw, 16px);
}

.habit-card {
  padding: clamp(18px, 2.5vw, 24px) clamp(14px, 2vw, 20px);
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.habit-card:hover {
  border-color: var(--blue);
  box-shadow: 0 4px 20px rgba(47,128,255,0.08);
}

.habit-icon { font-size: clamp(1.3rem, 2vw, 1.6rem); margin-bottom: 10px; }

.habit-card p {
  font-size: 0.83rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* ========== 11 USE CASES ========== */
#usecases { background: #fff; }

.use-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(32px, 5vw, 64px);
}

.use-card {
  padding: clamp(24px, 3.5vw, 36px) clamp(20px, 3vw, 32px);
  border-radius: 16px;
  border: 1px solid var(--gray-200);
  transition: all 0.3s;
}

.use-card:hover {
  border-color: var(--blue);
  box-shadow: 0 8px 32px rgba(47,128,255,0.08);
  transform: translateY(-4px);
}

.use-icon { font-size: clamp(1.5rem, 2.2vw, 1.8rem); margin-bottom: 16px; }

.use-card h3 {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.use-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ========== 12 VISION ========== */
#vision { background: var(--navy); }

.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  margin-top: clamp(32px, 5vw, 64px);
}

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

.tl-item { display: flex; gap: clamp(16px, 2.5vw, 24px); }

.tl-spine {
  display: flex; flex-direction: column; align-items: center;
  flex-shrink: 0;
}

.tl-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
  margin-top: 4px;
}

.tl-dot.glow {
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(86,204,242,0.5);
  animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 8px rgba(86,204,242,0.3); }
  50% { box-shadow: 0 0 24px rgba(86,204,242,0.6); }
}

.tl-dot.future { background: rgba(255,255,255,0.1); }

.tl-line {
  width: 1px;
  flex: 1;
  background: rgba(255,255,255,0.08);
  min-height: 28px;
}

.tl-item:last-child .tl-line { display: none; }

.tl-content { padding-bottom: clamp(20px, 3vw, 32px); }

.tl-content h4 {
  font-family: var(--font-display);
  font-size: clamp(0.82rem, 1.1vw, 0.9rem);
  font-weight: 600;
  color: rgba(255,255,255,0.75);
}

.tl-content p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  margin-top: 4px;
}

.tl-content h4.dim { color: rgba(255,255,255,0.25); }
.tl-content p.dim { color: rgba(255,255,255,0.15); }

.vision-quote {
  background: rgba(47,128,255,0.06);
  border: 1px solid rgba(47,128,255,0.12);
  border-radius: var(--card-radius);
  padding: clamp(28px, 4vw, 48px);
}

.vision-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 400;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  font-style: italic;
}

.vision-quote cite {
  display: block;
  margin-top: 20px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.vision-body {
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
}

/* ========== 13 CTA ========== */
#cta { background: var(--white); }

.cta-card {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  background: var(--navy);
  border-radius: clamp(18px, 3vw, 28px);
  padding: clamp(48px, 8vw, 80px) clamp(28px, 6vw, 60px);
  box-shadow: 0 40px 100px rgba(6,20,43,0.18);
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -40%; right: -20%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(47,128,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
}

.cta-card > p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: clamp(28px, 4vw, 40px);
  letter-spacing: 0.06em;
  position: relative;
}

.cta-card .btn-primary { position: relative; }

.cta-contacts {
  display: flex;
  gap: clamp(16px, 3vw, 32px);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: clamp(32px, 5vw, 48px);
}

.cta-contacts a {
  color: rgba(255,255,255,0.35);
  font-size: 0.83rem;
  transition: color 0.2s;
}

.cta-contacts a:hover { color: var(--cyan); }

/* ========== 14 FOOTER ========== */
footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: clamp(36px, 5vw, 48px) var(--section-px);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
}

.footer-tagline {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.22);
  margin-top: 4px;
}

.footer-links {
  display: flex;
  gap: clamp(12px, 2.5vw, 24px);
}

.footer-links a {
  color: rgba(255,255,255,0.28);
  font-size: 0.8rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: rgba(255,255,255,0.6); }

.footer-copy {
  width: 100%;
  font-size: 0.73rem;
  color: rgba(255,255,255,0.18);
  text-align: center;
}

/* ========== REVEAL ANIMATION ========== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ========== RESPONSIVE ========== */

/* Tablet */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(6,20,43,0.97);
    backdrop-filter: blur(20px);
    align-items: center;
    justify-content: center;
    gap: 40px;
    z-index: 100;
  }

  .nav-open .nav-links a { font-size: 1.3rem; }

  .problem-grid,
  .category-grid,
  .report-grid,
  .vision-grid {
    grid-template-columns: 1fr;
    gap: clamp(28px, 5vw, 48px);
  }

  .product-flow {
    flex-direction: column;
  }

  .flow-arrow {
    transform: rotate(90deg);
    padding: clamp(4px, 1vw, 8px) 0;
  }

  .flow-step { min-width: 100%; }
}

/* Phone */
@media (max-width: 600px) {
  :root {
    --section-py: clamp(56px, 12vw, 72px);
  }

  .steps-grid { grid-template-columns: 1fr; }
  .use-grid { grid-template-columns: 1fr; }
  .biomarker-grid { grid-template-columns: 1fr; }
  .habit-grid { grid-template-columns: 1fr 1fr; }

  .hero-trust-bar { gap: 6px; font-size: 0.7rem; }

  .cta-card { padding: 40px 22px; }

  .cta-contacts { flex-direction: column; gap: 10px; }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .footer-copy { text-align: left; }

  .report-ui { padding: 20px; }

  .score-card {
    flex-wrap: wrap;
    gap: 8px;
  }

  .score-label { flex: 1 1 100%; }
  .score-bar-wrap { flex: 1 1 50%; }
}

/* Small phones */
@media (max-width: 380px) {
  .hero-h1 { font-size: clamp(1.8rem, 9vw, 2.5rem); }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn-primary,
  .hero-ctas .btn-secondary { width: 100%; text-align: center; }
  .habit-grid { grid-template-columns: 1fr; }
}