/* The Body Mechanist · Shared Site Styles */

:root {
  --tbm-navy: #1e3a5f;
  --tbm-blue: #2e537a;
  --tbm-dark: #162d4a;
  --tbm-soft-blue: #edf4fb;
  --tbm-ice: #f4f6f9;
  --tbm-border: #b8c6d4;
  --tbm-gold: #c8a96e;
  --tbm-text: #1a2d3f;
  --tbm-muted: #4a5f72;
  --tbm-white: #ffffff;

  --tbm-nav-width: 245px;
  --tbm-radius: 18px;
  --tbm-shadow: 0 18px 45px rgba(22, 45, 74, 0.18);
}

/* Global Reset */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background: var(--tbm-ice);
  color: var(--tbm-text);
  line-height: 1.6;
}

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

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

/* Sidebar Navigation */

.tbm-side-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--tbm-nav-width);
  height: 100vh;
  background: linear-gradient(180deg, var(--tbm-navy) 0%, var(--tbm-blue) 55%, var(--tbm-dark) 100%);
  border-right: 1px solid rgba(184, 198, 212, 0.35);
  padding: 34px 24px;
  z-index: 1000;
  box-shadow: 8px 0 30px rgba(0, 0, 0, 0.28);
}

.tbm-nav-brand {
  margin-bottom: 34px;
}

.tbm-nav-title {
  display: block;
  color: var(--tbm-white);
  font-size: 1.28rem;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.tbm-nav-subtitle {
  display: block;
  margin-top: 6px;
  color: var(--tbm-gold);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tbm-nav-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tbm-nav-links a {
  display: block;
  color: #d6e6f5;
  font-size: 0.88rem;
  line-height: 1.2;
  padding: 10px 12px;
  border-left: 3px solid transparent;
  border-radius: 8px;
  transition: 0.2s ease;
}

.tbm-nav-links a:hover,
.tbm-nav-links a.active {
  color: var(--tbm-white);
  background: rgba(237, 244, 251, 0.12);
  border-left-color: var(--tbm-gold);
}

.tbm-nav-book {
  display: block;
  margin-top: 28px;
  padding: 12px 14px;
  text-align: center;
  background: var(--tbm-gold);
  color: var(--tbm-navy);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 999px;
}

/* Main Layout */

.tbm-page {
  margin-left: var(--tbm-nav-width);
  min-height: 100vh;
}

.tbm-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 5%;
}

/* Hero */

.tbm-hero {
  background: var(--tbm-navy);
  color: var(--tbm-white);
  padding: 5rem 0 4rem;
}

.tbm-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-top: 1.25rem;
}

.tbm-eyebrow {
  display: block;
  margin-bottom: 1rem;
  color: var(--tbm-gold);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.tbm-hero-title {
  margin: 0 0 1rem;
  color: var(--tbm-white);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(2.6rem, 6vw, 4.3rem);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: 0;
}

.tbm-hero-title em {
  color: #e8d4b0;
  font-style: italic;
  font-weight: 400;
}

.tbm-hero-copy {
  max-width: 680px;
  margin: 0;
  color: #e5edf5;
  font-size: 1.06rem;
}

.tbm-hero-art {
  display: flex;
  justify-content: center;
  align-items: center;
}

.tbm-hero-art img {
  max-width: 375px;
  filter: drop-shadow(0 20px 35px rgba(0, 0, 0, 0.28));
}

/* Buttons */

.tbm-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 2rem;
}

.tbm-button,
.tbm-button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tbm-button {
  background: var(--tbm-gold);
  color: var(--tbm-navy);
}

.tbm-button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: var(--tbm-white);
}

/* Content Sections */

.tbm-section {
  padding: 4.5rem 0;
}

.tbm-section-light {
  background: var(--tbm-white);
}

.tbm-section-soft {
  background: var(--tbm-soft-blue);
}

.tbm-section-label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--tbm-blue);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.tbm-section-title {
  margin: 0 0 1rem;
  color: var(--tbm-navy);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.035em;
}

.tbm-section-copy {
  max-width: 760px;
  margin: 0;
  color: var(--tbm-muted);
  font-size: 1rem;
}

/* Cards */

.tbm-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 2.5rem;
}

.tbm-card {
  background: var(--tbm-white);
  border: 1px solid rgba(184, 198, 212, 0.75);
  border-radius: var(--tbm-radius);
  padding: 26px;
  box-shadow: var(--tbm-shadow);
}

.tbm-card h3 {
  margin: 0 0 0.75rem;
  color: var(--tbm-navy);
  font-size: 1.22rem;
  line-height: 1.15;
}

.tbm-card p {
  margin: 0;
  color: var(--tbm-muted);
}

/* Footer CTA */

.tbm-final-cta {
  background: var(--tbm-navy);
  color: var(--tbm-white);
  padding: 4rem 0;
  text-align: center;
}

.tbm-final-cta h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
}

.tbm-final-cta p {
  max-width: 720px;
  margin: 0 auto;
  color: #e5edf5;
}

/* Mobile */

@media (max-width: 900px) {
  .tbm-side-nav {
    position: relative;
    width: 100%;
    height: auto;
    padding: 24px 5%;
  }

  .tbm-page {
    margin-left: 0;
  }

  .tbm-nav-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .tbm-hero-grid {
    grid-template-columns: 1fr;
  }

  .tbm-hero-art {
    justify-content: flex-start;
  }

  .tbm-card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .tbm-nav-links {
    grid-template-columns: 1fr;
  }

  .tbm-hero {
    padding: 3.5rem 0;
  }

  .tbm-hero-title {
    font-size: clamp(2.4rem, 14vw, 4rem);
  }
}