/* ============================================================
   Oushvaa.com — Shared styles
   Design language: serious clinical, modern, authoritative
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
  background: #ffffff;
  color: #1a2e2c;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern", "liga", "ss01";
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: #0d9488; text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
hr { border: 0; height: 1px; background: rgba(13, 148, 136, 0.12); margin: 64px 0; }

/* ============ Layout primitives ============ */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1320px; margin: 0 auto; padding: 0 24px; }
.section { padding: 112px 0; }
.section-tight { padding: 80px 0; }
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .section-tight { padding: 48px 0; }
}

/* ============ Top navigation ============ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(13, 148, 136, 0.08);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; max-width: 1180px; margin: 0 auto;
}
.brand {
  font-weight: 700; letter-spacing: 0.22em; color: #0d9488;
  font-size: 18px; text-decoration: none;
}
.brand:hover { text-decoration: none; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a:not(.nav-cta) {
  font-size: 14px; color: #5a6a68; font-weight: 500;
  text-decoration: none; transition: color 0.15s ease;
  position: relative; padding: 4px 0;
}
.nav-links a:hover:not(.nav-cta) { color: #0d9488; text-decoration: none; }
.nav-links a.active {
  color: #0f1f1f; font-weight: 600;
}
.nav-links a.active::after {
  content: ""; position: absolute; bottom: -22px; left: 0; right: 0; height: 2px;
  background: #0d9488;
}
.nav-cta {
  background: #0d9488; color: #ffffff !important;
  padding: 9px 18px; border-radius: 6px;
  font-size: 14px; font-weight: 600;
  transition: background 0.15s ease;
}
.nav-cta:hover { background: #0f766e; text-decoration: none !important; }
@media (max-width: 760px) {
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta):not(.nav-must) { display: none; }
}

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px; font-weight: 600;
  text-decoration: none !important;
  transition: all 0.15s ease;
  letter-spacing: 0.01em;
}
.btn-primary { background: #0d9488; color: #ffffff; }
.btn-primary:hover { background: #0f766e; transform: translateY(-1px); }
.btn-secondary {
  background: transparent; color: #1a2e2c;
  border: 1.5px solid rgba(13, 148, 136, 0.3);
}
.btn-secondary:hover { border-color: #0d9488; color: #0d9488; }

/* ============ Hero (used on Home) ============ */
.hero {
  padding: 128px 0 96px;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(13, 148, 136, 0.08) 0%, transparent 60%),
    #ffffff;
}
@media (max-width: 720px) { .hero { padding: 80px 0 64px; } }
.hero-eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 600;
  color: #0d9488; letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 28px;
  padding: 7px 14px;
  background: rgba(13, 148, 136, 0.08);
  border-radius: 999px;
}
.hero h1 {
  font-size: clamp(36px, 5.4vw, 60px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.028em;
  color: #0f1f1f;
  margin: 0 auto 24px;
  max-width: 920px;
}
.hero-sub {
  font-size: clamp(17px, 1.9vw, 20px);
  color: #5a6a68;
  margin: 0 auto 40px;
  max-width: 720px;
  line-height: 1.55;
}
.hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-proof {
  margin-top: 48px;
  font-size: 13px;
  color: #5a6a68;
  letter-spacing: 0.02em;
}
.hero-proof strong { color: #1a2e2c; font-weight: 600; }

/* ============ Page header (used on inner pages) ============ */
.page-header {
  padding: 88px 0 64px;
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(13, 148, 136, 0.06) 0%, transparent 60%),
    #fafbfb;
  border-bottom: 1px solid rgba(13, 148, 136, 0.08);
}
@media (max-width: 720px) { .page-header { padding: 64px 0 48px; } }
.page-header-eyebrow {
  font-size: 12px; font-weight: 600;
  color: #0d9488; letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 16px;
}
.page-header h1 {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: #0f1f1f;
  margin-bottom: 20px;
  max-width: 820px;
}
.page-header-sub {
  font-size: clamp(16px, 1.7vw, 19px);
  color: #5a6a68;
  max-width: 720px;
  line-height: 1.6;
}

/* ============ Section heads (centered) ============ */
.section-head { text-align: center; margin-bottom: 64px; max-width: 720px; margin-left: auto; margin-right: auto; }
.section-eyebrow {
  font-size: 12px; font-weight: 600;
  color: #0d9488; letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 3.8vw, 38px);
  font-weight: 700; letter-spacing: -0.02em;
  color: #0f1f1f; line-height: 1.15;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px; color: #5a6a68; line-height: 1.6;
}

/* Section heads (left-aligned for inner pages) */
.section-head-left { margin-bottom: 48px; max-width: 720px; }
.section-head-left .section-eyebrow { margin-bottom: 14px; }
.section-head-left .section-title { margin-bottom: 12px; }

/* ============ Product family grid (used on Home + Products) ============ */
.family-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 720px) { .family-grid { grid-template-columns: 1fr; gap: 16px; } }
.product-card {
  background: #ffffff;
  border: 1px solid rgba(13, 148, 136, 0.14);
  border-radius: 14px;
  padding: 32px;
  transition: all 0.2s ease;
  display: flex; flex-direction: column;
  text-decoration: none !important;
  color: inherit;
}
.product-card:hover {
  border-color: rgba(13, 148, 136, 0.5);
  box-shadow: 0 12px 32px rgba(13, 148, 136, 0.10);
  transform: translateY(-3px);
}
.product-card-tag {
  font-size: 11px; font-weight: 600;
  color: #0d9488; letter-spacing: 0.10em; text-transform: uppercase;
  margin-bottom: 14px;
}
.product-card h3 {
  font-size: 22px; font-weight: 700;
  color: #0f1f1f; margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.product-card-tagline {
  font-size: 14px; color: #0d9488; font-style: italic;
  margin-bottom: 16px;
}
.product-card-desc {
  font-size: 15px; color: #5a6a68;
  line-height: 1.6; flex-grow: 1; margin-bottom: 20px;
}
.product-card-stat {
  font-size: 13px; color: #134e4a; font-weight: 500;
  padding: 8px 12px; background: #f0fdfa;
  border-radius: 6px; margin-bottom: 18px;
  display: inline-block;
}
.product-card-cta {
  font-size: 14px; font-weight: 600; color: #0d9488;
  display: inline-flex; align-items: center; gap: 6px;
}

/* ============ "Why Oushvaa" 3-column (Home) ============ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 900px) { .why-grid { grid-template-columns: 1fr; gap: 24px; } }
.why-item {}
.why-item-num {
  font-size: 12px; font-weight: 600;
  color: #0d9488; letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 12px;
}
.why-item h3 {
  font-size: 19px; font-weight: 700; letter-spacing: -0.01em;
  color: #0f1f1f; margin-bottom: 12px; line-height: 1.3;
}
.why-item p {
  font-size: 15px; color: #5a6a68; line-height: 1.65;
}

/* ============ Prose (How it works, About body, Trust body) ============ */
.prose {
  max-width: 720px; margin: 0 auto;
}
.prose p {
  font-size: 17px; line-height: 1.75;
  color: #1a2e2c;
  margin-bottom: 26px;
}
.prose p:last-child { margin-bottom: 0; }
.prose .lead {
  font-size: 19px; font-weight: 500;
  color: #0f1f1f;
}
.prose strong { font-weight: 600; color: #0f1f1f; }
.prose .accent { color: #0d9488; font-weight: 600; }
.prose .pullquote {
  font-size: 22px; line-height: 1.5;
  font-style: italic;
  color: #0f1f1f;
  padding: 24px 0 24px 28px;
  border-left: 3px solid #0d9488;
  margin: 40px 0;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.prose h2 {
  font-size: 26px; font-weight: 700;
  color: #0f1f1f; letter-spacing: -0.015em;
  margin: 56px 0 20px;
  line-height: 1.25;
}
.prose h3 {
  font-size: 19px; font-weight: 700;
  color: #0f1f1f; letter-spacing: -0.01em;
  margin: 32px 0 12px;
}
.prose ul {
  list-style: none; padding: 0; margin: 0 0 26px;
}
.prose ul li {
  font-size: 17px; line-height: 1.75; color: #1a2e2c;
  padding-left: 24px; position: relative; margin-bottom: 8px;
}
.prose ul li::before {
  content: ""; position: absolute; left: 4px; top: 14px;
  width: 6px; height: 6px; border-radius: 50%;
  background: #0d9488;
}

/* ============ Moat (interactive) ============ */
.moat-section { background: #0f1f1f; color: #ffffff; position: relative; overflow: hidden; }
.moat-section .section-title { color: #ffffff; }
.moat-section .section-sub { color: rgba(255, 255, 255, 0.7); }
.moat-section .section-eyebrow { color: #5eead4; }

.entity-selector {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  margin: 0 auto 40px; max-width: 600px;
}
.entity-chip {
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  background: transparent;
  border: 1px solid rgba(94, 234, 212, 0.24);
  transition: all 0.18s ease;
  cursor: pointer;
}
.entity-chip:hover {
  color: #5eead4;
  border-color: rgba(94, 234, 212, 0.55);
  background: rgba(94, 234, 212, 0.06);
}
.entity-chip.active {
  background: #5eead4;
  color: #0f1f1f;
  border-color: #5eead4;
  font-weight: 600;
}

.moat-visual { margin: 0 auto; max-width: 720px; position: relative; }
.entity-graph { width: 100%; height: auto; display: block; }
.entity-graph .spoke {
  stroke: rgba(94, 234, 212, 0.35);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
  animation: dashflow 3s linear infinite;
}
@keyframes dashflow { to { stroke-dashoffset: -20; } }
.entity-graph .spoke-node {
  fill: #0a1818;
  stroke: #5eead4;
  stroke-width: 1.5;
}
.entity-graph .node-bg {
  fill: #5eead4; opacity: 0.10;
  animation: pulse 2.8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.10; }
  50% { opacity: 0.18; }
}
.entity-graph .node-center { fill: #5eead4; transition: all 0.4s ease; }
.entity-graph .label-center {
  fill: #0f1f1f; font-size: 14px; font-weight: 700;
  font-family: -apple-system, system-ui, sans-serif;
  transition: opacity 0.3s ease;
}
.entity-graph .label-product {
  fill: #5eead4; font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em;
  font-family: -apple-system, system-ui, sans-serif;
}
.entity-graph .label-stat {
  fill: rgba(255,255,255,0.85); font-size: 13px; font-weight: 600;
  font-family: -apple-system, system-ui, sans-serif;
  transition: opacity 0.3s ease;
}
.entity-graph .label-detail {
  fill: rgba(255,255,255,0.5); font-size: 10px;
  font-family: -apple-system, system-ui, sans-serif;
}

.entity-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
  max-width: 720px; margin-left: auto; margin-right: auto;
}
@media (max-width: 720px) { .entity-stats-row { grid-template-columns: 1fr; } }
.entity-stat-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(94, 234, 212, 0.14);
  border-radius: 10px;
  padding: 20px 18px;
  text-align: center;
}
.entity-stat-card-label {
  font-size: 11px; font-weight: 600;
  color: rgba(94, 234, 212, 0.85);
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 8px;
}
.entity-stat-card-value {
  font-size: 22px; font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

/* ============ Questions section ============ */
.questions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 960px) { .questions-grid { grid-template-columns: 1fr; gap: 16px; } }
.question-card {
  background: #ffffff;
  border: 1px solid rgba(13, 148, 136, 0.12);
  border-radius: 14px;
  padding: 28px;
  display: flex; flex-direction: column;
  position: relative;
}
.question-card-num {
  position: absolute;
  top: 24px; right: 28px;
  font-size: 13px; font-weight: 700;
  color: rgba(13, 148, 136, 0.5);
  letter-spacing: 0.08em;
}
.question-card-q {
  font-size: 16px; font-weight: 600;
  color: #0f1f1f;
  line-height: 1.4;
  margin-bottom: 20px; max-width: 90%;
}
.question-card-q::before {
  content: "\201C";
  display: block;
  font-size: 32px; line-height: 0.5;
  color: #0d9488;
  margin-bottom: 8px;
  font-family: Georgia, serif;
}
.question-card-divider {
  height: 1px;
  background: linear-gradient(90deg, rgba(13, 148, 136, 0.3) 0%, transparent 100%);
  margin: 0 0 16px;
}
.question-card-answer {
  font-size: 13px; color: #1a2e2c;
  background: #f0fdfa;
  border-radius: 8px;
  padding: 12px 14px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}
.question-card-answer strong { color: #0d9488; font-weight: 700; }
.question-card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.question-card-tag {
  font-size: 11px; font-weight: 600;
  color: #134e4a;
  padding: 4px 10px;
  background: #ccfbf1;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

/* ============ Doorways ============ */
.doorways {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .doorways { grid-template-columns: 1fr; } }
.doorway {
  background: #ffffff;
  border: 1px solid rgba(13, 148, 136, 0.16);
  border-radius: 12px;
  padding: 28px;
  text-decoration: none !important;
  color: inherit;
  transition: all 0.2s ease;
  display: flex; flex-direction: column;
}
.doorway:hover {
  border-color: rgba(13, 148, 136, 0.5);
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.08);
  transform: translateY(-2px);
}
.doorway-persona {
  font-size: 12px; color: #5a6a68; margin-bottom: 10px;
  font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
}
.doorway-action {
  font-size: 18px; font-weight: 700;
  color: #0f1f1f; margin-bottom: 16px;
  letter-spacing: -0.01em; line-height: 1.3;
  flex-grow: 1;
}
.doorway-arrow {
  font-size: 14px; font-weight: 600; color: #0d9488;
  margin-top: auto;
}

/* ============ Trust pills ============ */
.trust-bar {
  display: flex; gap: 10px; justify-content: center;
  flex-wrap: wrap;
}
.trust-pill {
  background: #f0fdfa;
  color: #134e4a;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  border: 1px solid rgba(13, 148, 136, 0.16);
}

/* ============ Product deep section (Products page) ============ */
.product-deep {
  padding: 80px 0;
  border-bottom: 1px solid rgba(13, 148, 136, 0.10);
}
.product-deep:last-of-type { border-bottom: none; }
.product-deep-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px; align-items: start;
}
@media (max-width: 900px) {
  .product-deep-grid { grid-template-columns: 1fr; gap: 32px; }
}
.product-deep-side .product-card-tag {
  font-size: 11px; font-weight: 600;
  color: #0d9488; letter-spacing: 0.10em; text-transform: uppercase;
  margin-bottom: 12px;
}
.product-deep-side h2 {
  font-size: 32px; font-weight: 700;
  color: #0f1f1f; margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.product-deep-side .tagline {
  font-size: 16px; color: #0d9488; font-style: italic;
  margin-bottom: 24px;
}
.product-deep-side .stats {
  background: #f0fdfa; border-radius: 10px;
  padding: 18px 20px; margin-bottom: 24px;
}
.product-deep-side .stats-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px dashed rgba(13, 148, 136, 0.18);
  font-size: 13px;
}
.product-deep-side .stats-row:last-child { border-bottom: none; }
.product-deep-side .stats-label { color: #5a6a68; }
.product-deep-side .stats-value { color: #0f1f1f; font-weight: 600; }
.product-deep-body { font-size: 16px; line-height: 1.7; color: #1a2e2c; }
.product-deep-body p { margin-bottom: 20px; }
.product-deep-body h3 {
  font-size: 17px; font-weight: 700;
  color: #0f1f1f; margin: 28px 0 12px;
  letter-spacing: -0.01em;
}
.product-deep-body ul {
  list-style: none; padding: 0; margin: 0 0 24px;
}
.product-deep-body ul li {
  padding-left: 24px; position: relative; margin-bottom: 8px;
  font-size: 15px; line-height: 1.65;
}
.product-deep-body ul li::before {
  content: ""; position: absolute; left: 6px; top: 11px;
  width: 6px; height: 6px; border-radius: 50%;
  background: #0d9488;
}
.product-deep-body strong { font-weight: 600; color: #0f1f1f; }

/* ============ Pack tiers (Products page) ============ */
.tier-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 12px; margin: 20px 0 24px;
}
@media (max-width: 600px) { .tier-grid { grid-template-columns: 1fr; } }
.tier-card {
  background: #ffffff;
  border: 1px solid rgba(13, 148, 136, 0.16);
  border-radius: 10px;
  padding: 14px 18px;
}
.tier-card-name { font-size: 12px; font-weight: 600; color: #0d9488; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 4px; }
.tier-card-price { font-size: 16px; font-weight: 700; color: #0f1f1f; }
.tier-card-detail { font-size: 12px; color: #5a6a68; margin-top: 2px; }

/* ============ CTA block (large, used on inner pages) ============ */
.cta-block {
  background: linear-gradient(135deg, #0f1f1f 0%, #134e4a 100%);
  color: #ffffff;
  border-radius: 18px;
  padding: 56px 48px;
  text-align: center;
}
@media (max-width: 720px) { .cta-block { padding: 40px 24px; } }
.cta-block h2 {
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 700; letter-spacing: -0.02em;
  line-height: 1.2; margin-bottom: 16px;
}
.cta-block p {
  font-size: 17px; color: rgba(255, 255, 255, 0.75);
  margin-bottom: 32px;
  max-width: 580px; margin-left: auto; margin-right: auto;
}
.cta-block .btn-primary { background: #5eead4; color: #0f1f1f; }
.cta-block .btn-primary:hover { background: #2dd4bf; }
.cta-block .btn-secondary { color: #ffffff; border-color: rgba(255, 255, 255, 0.3); }
.cta-block .btn-secondary:hover { border-color: #5eead4; color: #5eead4; }

/* ============ Footer ============ */
.footer {
  background: #0f1f1f;
  color: rgba(255, 255, 255, 0.7);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
.footer-brand .brand { color: #5eead4; }
.footer-brand-tag {
  font-size: 14px; color: rgba(255, 255, 255, 0.6);
  margin-top: 16px; max-width: 320px; line-height: 1.55;
}
.footer-col h4 {
  font-size: 12px; color: #ffffff;
  font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: rgba(255, 255, 255, 0.65); font-size: 14px;
  text-decoration: none; transition: color 0.15s ease;
}
.footer-col a:hover { color: #5eead4; text-decoration: none; }
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: 13px; color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.5); }