/* === OakHeart - Premium Health App Landing === */

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

:root {
  --bg: #FAFAF7;
  --oak: #6B4C3B;
  --copper: #B87333;
  --copper-light: #CF8B4D;
  --copper-dark: #9A5F28;
  --sage: #7A8B6F;
  --sage-light: #95A688;
  --warm-gray: #E8E4DF;
  --warm-gray-light: #F2F0EC;
  --charcoal: #2C2C2C;
  --charcoal-light: #4A4A4A;
  --crisis-bg: #FFF5F5;
  --crisis-border: #E8C4C4;
  --crisis-text: #6B3A3A;
  --crisis-link: #A04040;
  --phase-understand: #6B4C3B;
  --phase-pursue: #7A8B6F;
  --phase-beyond: #B87333;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(44, 44, 44, 0.06);
  --shadow-md: 0 4px 16px rgba(44, 44, 44, 0.08);
  --shadow-lg: 0 8px 32px rgba(44, 44, 44, 0.10);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg);
  color: var(--charcoal);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--copper);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--copper-dark);
}

h1, h2, h3, h4 {
  font-family: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  color: var(--oak);
  line-height: 1.2;
  font-weight: 400;
}

ul {
  list-style: none;
}

/* === Scroll Reveal === */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.reveal-delay-1 { transition-delay: 0.12s; }
.reveal.reveal-delay-2 { transition-delay: 0.24s; }
.reveal.reveal-delay-3 { transition-delay: 0.36s; }

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

/* === Crisis Banner === */
.crisis-banner {
  background: var(--crisis-bg);
  color: var(--crisis-text);
  text-align: center;
  padding: 10px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  border-bottom: 1px solid var(--crisis-border);
}

.crisis-banner a {
  color: var(--crisis-link);
  text-decoration: underline;
  font-weight: 600;
}

/* === Nav === */
.nav {
  padding: 18px 0;
  position: sticky;
  top: 0;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 100;
  transition: box-shadow var(--transition);
}

.nav-scrolled {
  box-shadow: 0 1px 12px rgba(107, 76, 59, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--oak);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Oak leaf CSS motif for logo */
.logo-icon {
  display: inline-block;
  width: 22px;
  height: 26px;
  position: relative;
}

.logo-icon::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 22px;
  background: var(--sage);
  border-radius: 50% 2px 50% 2px;
  transform: rotate(-30deg);
  top: 0;
  left: 2px;
  opacity: 0.85;
}

.logo-icon::after {
  content: '';
  position: absolute;
  width: 2px;
  height: 10px;
  background: var(--oak);
  bottom: 0;
  left: 10px;
  border-radius: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--charcoal-light);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.btn {
  display: inline-block;
  background: var(--copper);
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  transition: background var(--transition), transform 0.15s ease, box-shadow var(--transition);
  box-shadow: 0 2px 8px rgba(184, 115, 51, 0.2);
}

.btn:hover {
  background: var(--copper-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(184, 115, 51, 0.3);
}

.btn-small {
  padding: 8px 20px;
  font-size: 0.85rem;
}

/* === Hero === */
.hero {
  padding: 100px 0 90px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg) 0%, var(--warm-gray-light) 100%);
}

/* Tree ring motif */
.hero-rings {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  pointer-events: none;
}

.hero-rings::before,
.hero-rings::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--oak);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-rings::before {
  width: 500px;
  height: 500px;
  opacity: 0.04;
}

.hero-rings::after {
  width: 700px;
  height: 700px;
  opacity: 0.03;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
  color: var(--oak);
}

.accent {
  color: var(--copper);
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--charcoal-light);
  margin-bottom: 12px;
  font-weight: 500;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--charcoal-light);
  max-width: 520px;
  margin: 0 auto 40px;
  opacity: 0.75;
}

.app-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.badge-link img {
  height: 48px;
  width: auto;
  opacity: 0.85;
  transition: opacity var(--transition), transform 0.15s ease;
}

.badge-link:hover img {
  opacity: 1;
  transform: translateY(-1px);
}

/* === Problem === */
.problem {
  padding: 100px 0;
  background: var(--bg);
}

.problem-inner {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 24px;
}

.problem-divider {
  width: 60px;
  height: 2px;
  background: var(--copper);
  margin: 0 auto 28px;
  border-radius: 1px;
}

.problem p {
  color: var(--charcoal-light);
  max-width: 640px;
  margin: 0 auto 16px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.problem-bold {
  color: var(--copper) !important;
  font-weight: 700;
  font-size: 1.15rem !important;
  margin-top: 12px !important;
}

/* === Phases === */
.phases {
  padding: 100px 0;
  background: var(--warm-gray-light);
}

.phases h2 {
  text-align: center;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  margin-bottom: 8px;
}

.section-sub {
  text-align: center;
  color: var(--charcoal-light);
  margin-bottom: 52px;
  font-size: 1.05rem;
}

.phases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 36px;
}

.phase-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 0 28px 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.phase-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.phase-accent-bar {
  height: 4px;
  margin: 0 -28px 28px;
  transition: height var(--transition);
}

.phase-understand .phase-accent-bar { background: var(--phase-understand); }
.phase-pursue .phase-accent-bar { background: var(--phase-pursue); }
.phase-beyond .phase-accent-bar { background: var(--phase-beyond); }

.phase-card:hover .phase-accent-bar {
  height: 5px;
}

.phase-number {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--charcoal-light);
  opacity: 0.5;
  margin-bottom: 8px;
}

.phase-card h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.phase-understand h3 { color: var(--phase-understand); }
.phase-pursue h3 { color: var(--phase-pursue); }
.phase-beyond h3 { color: var(--phase-beyond); }

.phase-question {
  font-family: 'DM Serif Display', Georgia, serif;
  font-style: italic;
  color: var(--charcoal-light);
  margin-bottom: 20px;
  font-size: 0.95rem;
  opacity: 0.8;
}

.phase-card ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.phase-card li {
  color: var(--charcoal-light);
  font-size: 0.88rem;
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.phase-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.phase-understand li::before { background: var(--phase-understand); opacity: 0.4; }
.phase-pursue li::before { background: var(--phase-pursue); opacity: 0.4; }
.phase-beyond li::before { background: var(--phase-beyond); opacity: 0.4; }

.phases-note {
  text-align: center;
  color: var(--copper);
  font-weight: 600;
  font-size: 1rem;
}

/* === Core Message === */
.core-message {
  padding: 100px 0;
  text-align: center;
  background: var(--bg);
  overflow: hidden;
}

.core-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.core-message blockquote {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  color: var(--oak);
  border: none;
  padding: 0;
  font-weight: 400;
}

/* Oak leaf decorative element */
.oak-leaf {
  width: 40px;
  height: 48px;
  position: relative;
  flex-shrink: 0;
}

.oak-leaf::before {
  content: '';
  position: absolute;
  width: 32px;
  height: 40px;
  background: var(--sage);
  border-radius: 50% 4px 50% 4px;
  transform: rotate(-25deg);
  opacity: 0.2;
  top: 0;
  left: 4px;
}

.oak-leaf::after {
  content: '';
  position: absolute;
  width: 2px;
  height: 14px;
  background: var(--oak);
  opacity: 0.2;
  bottom: 0;
  left: 19px;
  border-radius: 1px;
}

.oak-leaf-right::before {
  transform: rotate(25deg);
}

/* === Features === */
.features {
  padding: 100px 0;
  background: var(--warm-gray-light);
}

.features h2 {
  text-align: center;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  margin-bottom: 52px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--warm-gray);
}

.feature-icon {
  color: var(--copper);
  margin-bottom: 16px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(184, 115, 51, 0.08);
  border-radius: 10px;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--charcoal-light);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* === Pricing === */
.pricing {
  padding: 100px 0;
  background: var(--bg);
}

.pricing h2 {
  text-align: center;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  margin-bottom: 8px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}

.price-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 28px 36px;
  text-align: center;
  position: relative;
  border: 1px solid var(--warm-gray);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.price-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.price-card-featured {
  border-color: var(--copper);
  border-width: 2px;
  box-shadow: var(--shadow-md);
}

.price-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--copper);
  color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.price-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.price {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--copper);
  margin-bottom: 4px;
}

.price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--charcoal-light);
  opacity: 0.6;
}

.price-annual {
  font-size: 0.85rem;
  color: var(--charcoal-light);
  opacity: 0.6;
  margin-bottom: 24px;
}

.price-card ul {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

.price-card li {
  color: var(--charcoal-light);
  font-size: 0.9rem;
  padding-left: 22px;
  position: relative;
}

.price-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--sage);
  background: transparent;
}

.price-card-featured li::before {
  background: var(--sage);
  border-color: var(--sage);
}

/* === Crisis === */
.crisis {
  padding: 80px 0;
  background: var(--crisis-bg);
  text-align: center;
  border-top: 1px solid var(--crisis-border);
  border-bottom: 1px solid var(--crisis-border);
}

.crisis h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin-bottom: 8px;
  color: var(--crisis-text);
}

.crisis > .container > p {
  color: var(--crisis-text);
  margin-bottom: 40px;
  font-size: 1.05rem;
  opacity: 0.8;
}

.crisis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.crisis-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--crisis-border);
}

.crisis-card h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--crisis-text);
  margin-bottom: 10px;
}

.crisis-card p {
  color: var(--crisis-text);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.crisis-card a {
  color: var(--crisis-link);
  font-weight: 600;
  text-decoration: underline;
}

/* === Footer === */
.footer {
  padding: 64px 0 32px;
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.7);
}

.footer .logo {
  color: #fff;
}

.footer .logo-icon::before {
  background: var(--sage-light);
  opacity: 0.7;
}

.footer .logo-icon::after {
  background: rgba(255, 255, 255, 0.5);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 36px;
}

.footer-brand .logo {
  font-size: 1.3rem;
  display: flex;
  margin-bottom: 6px;
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: rgba(255, 255, 255, 0.85);
}

.footer-disclaimer {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-disclaimer p {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.82rem;
  line-height: 1.65;
  margin-bottom: 12px;
}

.footer-disclaimer p:last-child {
  margin-bottom: 0;
}

.footer-disclaimer strong {
  color: rgba(255, 255, 255, 0.6);
}

.footer-crisis {
  text-align: center;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 16px;
}

.footer-crisis p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

.footer-crisis a {
  color: rgba(255, 200, 200, 0.8);
  text-decoration: underline;
}

.footer-copy {
  text-align: center;
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.8rem;
}

/* === Responsive === */
@media (max-width: 960px) {
  .phases-grid,
  .pricing-grid,
  .crisis-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .phases-grid {
    margin-bottom: 36px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 72px 0 64px;
  }

  .hero-rings::before { width: 320px; height: 320px; }
  .hero-rings::after { width: 460px; height: 460px; }

  .problem,
  .phases,
  .features,
  .pricing,
  .crisis,
  .core-message {
    padding: 64px 0;
  }

  .nav-links a:not(.btn) {
    display: none;
  }

  .footer-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-brand .logo {
    justify-content: center;
  }

  .footer-links {
    justify-content: center;
  }

  .core-inner {
    gap: 20px;
  }

  .oak-leaf {
    width: 28px;
    height: 34px;
  }

  .oak-leaf::before {
    width: 22px;
    height: 28px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-sub {
    font-size: 1.05rem;
  }

  .app-badges {
    flex-direction: column;
    align-items: center;
  }

  .oak-leaf {
    display: none;
  }

  .phase-card {
    padding: 0 20px 28px;
  }

  .feature-card {
    padding: 24px 20px;
  }
}