/*
Theme Name: Upgrade Your Body
Theme URI: https://oneill-labs.com/upgradeyourbody
Author: Niall O'Neill
Author URI: https://oneill-labs.com
Description: The official theme for Upgrade Your Body — dark/light mode toggle + Customizer editing panels.
Version: 3.0
License: GNU General Public License v2 or later
Text Domain: upgrade-your-body
*/

/* ── DARK MODE (default) ── */
:root {
  --bg-dark: #0d1117;
  --bg-card: #161b22;
  --bg-card-hover: #1c2330;
  --accent-green: #2dde98;
  --accent-yellow: #f5a623;
  --accent-blue: #58a6ff;
  --text-primary: #ffffff;
  --text-secondary: #8b949e;
  --text-muted: #484f58;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.18);
  --radius: 16px; --radius-sm: 8px;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --glow-green: 0 0 40px rgba(45,222,152,0.12);
  --nav-bg: rgba(13,17,23,0.9);
  --hero-glow-1: rgba(45,222,152,0.07);
  --hero-glow-2: rgba(88,166,255,0.05);
  --quote-bg: rgba(45,222,152,0.04);
  --pill-bg: rgba(45,222,152,0.08);
  --pill-border: rgba(45,222,152,0.2);
  --toggle-bg: #161b22;
  --toggle-border: rgba(255,255,255,0.1);
  --toggle-track: #3d444d;
  --icon-green-bg: rgba(45,222,152,0.1);
  --icon-blue-bg: rgba(88,166,255,0.1);
  --icon-yellow-bg: rgba(245,166,35,0.1);
  --step-bg-text: rgba(255,255,255,0.03);
  --badge-1-bg: rgba(45,222,152,0.1);
  --badge-2-bg: rgba(88,166,255,0.1);
  --badge-3-bg: rgba(245,166,35,0.1);
}

/* ── LIGHT MODE ── */
[data-theme="light"] {
  --bg-dark: #f8f9fb;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f2f5;
  --accent-green: #0a9e6e;
  --accent-yellow: #d4870a;
  --accent-blue: #1a6fc4;
  --text-primary: #0d1117;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.18);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --glow-green: 0 4px 20px rgba(10,158,110,0.1);
  --nav-bg: rgba(248,249,251,0.92);
  --hero-glow-1: rgba(10,158,110,0.07);
  --hero-glow-2: rgba(26,111,196,0.05);
  --quote-bg: rgba(10,158,110,0.05);
  --pill-bg: rgba(10,158,110,0.08);
  --pill-border: rgba(10,158,110,0.2);
  --toggle-bg: #e5e7eb;
  --toggle-border: rgba(0,0,0,0.1);
  --toggle-track: #9ca3af;
  --icon-green-bg: rgba(10,158,110,0.08);
  --icon-blue-bg: rgba(26,111,196,0.08);
  --icon-yellow-bg: rgba(212,135,10,0.08);
  --step-bg-text: rgba(0,0,0,0.04);
  --badge-1-bg: rgba(10,158,110,0.1);
  --badge-2-bg: rgba(26,111,196,0.1);
  --badge-3-bg: rgba(212,135,10,0.1);
}

/* ── SMOOTH TRANSITIONS ── */
body, .site-header, .card, .learn-box, .step-card, .book-card,
.quote-block, .framework-pill, .section-divider, .site-footer { transition: background-color 0.35s ease, border-color 0.35s ease, color 0.35s ease, box-shadow 0.35s ease; }

/* ── TOGGLE BUTTON ── */
.theme-toggle { display: flex; align-items: center; gap: 7px; background: var(--toggle-bg); border: 1px solid var(--toggle-border); border-radius: 100px; padding: 6px 12px; cursor: pointer; transition: all 0.3s ease; font-size: 0.72rem; font-weight: 600; color: var(--text-secondary); font-family: var(--font-body); letter-spacing: 0.04em; }
.theme-toggle:hover { border-color: var(--accent-green); color: var(--accent-green); }
.toggle-track { width: 30px; height: 17px; background: var(--toggle-track); border-radius: 100px; position: relative; transition: background 0.35s ease; flex-shrink: 0; }
[data-theme="light"] .toggle-track { background: var(--accent-green); }
.toggle-thumb { position: absolute; top: 2px; left: 2px; width: 13px; height: 13px; background: #fff; border-radius: 50%; transition: transform 0.35s ease; }
[data-theme="light"] .toggle-thumb { transform: translateX(13px); }
.toggle-label-dark { display: block; }
.toggle-label-light { display: none; }
[data-theme="light"] .toggle-label-dark { display: none; }
[data-theme="light"] .toggle-label-light { display: block; }

/* ── BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background-color: var(--bg-dark); color: var(--text-primary); font-family: var(--font-body); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-green); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-yellow); }
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; color: var(--text-primary); }
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); letter-spacing: -0.01em; text-transform: uppercase; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: 0.04em; text-transform: uppercase; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p { color: var(--text-secondary); margin-bottom: 1rem; }
.highlight-green { color: var(--accent-green); }
.highlight-yellow { color: var(--accent-yellow); }
.highlight-blue { color: var(--accent-blue); }

/* Gradient highlight spans — drop-in upgrade for coloured words in headings */
.highlight-gradient {
  background: linear-gradient(90deg, #58a6ff 0%, #2dde98 60%, #f5a623 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
[data-theme="light"] .highlight-gradient {
  background: linear-gradient(90deg, #1a6fc4 0%, #0a9e6e 60%, #d4870a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent-green); margin-bottom: 1rem; display: flex; align-items: center; gap: 8px; }
.section-label::before { content: ''; width: 20px; height: 1px; background: var(--accent-green); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }

/* ── NAV ── */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 18px 0; background: var(--nav-bg); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.site-logo { font-family: var(--font-display); font-size: 1.1rem; font-weight: 800; color: var(--text-primary); letter-spacing: 0.04em; text-transform: uppercase; }
.site-logo span { color: var(--accent-green); }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; }
.nav-links a:hover { color: var(--text-primary); }
.nav-cta { background: var(--accent-green) !important; color: var(--bg-dark) !important; padding: 9px 22px; border-radius: 100px; font-weight: 700 !important; font-size: 0.85rem; }
.nav-cta:hover { background: var(--accent-yellow) !important; color: var(--bg-dark) !important; }

/* ── GRADIENT TEXT ── */
.gradient-text {
  background: linear-gradient(90deg, #58a6ff 0%, #2dde98 45%, #f5a623 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
[data-theme="light"] .gradient-text {
  background: linear-gradient(90deg, #1a6fc4 0%, #0a9e6e 45%, #d4870a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-subtle {
  background: linear-gradient(90deg, #58a6ff 0%, #2dde98 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
[data-theme="light"] .gradient-text-subtle {
  background: linear-gradient(90deg, #1a6fc4 0%, #0a9e6e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── HERO ── */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: 80px; position: relative; overflow: hidden; }
[data-theme="light"] .hero { background: linear-gradient(160deg, #fff 0%, #f0f5ff 50%, #f8f9fb 100%); }
.hero::before { content: ''; position: absolute; top: -200px; right: -100px; width: 700px; height: 700px; background: radial-gradient(circle, var(--hero-glow-1) 0%, transparent 65%); pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: -100px; left: -100px; width: 500px; height: 500px; background: radial-gradient(circle, var(--hero-glow-2) 0%, transparent 65%); pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 1.25rem; }
.hero-label span { color: var(--accent-green); }
.hero h1 { margin-bottom: 1.25rem; }

/* Hero h1 gradient — full heading gets the blue→green→yellow sweep */
.hero h1 {
  background: linear-gradient(90deg, #ffffff 0%, #58a6ff 25%, #2dde98 55%, #f5a623 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  margin-bottom: 1.25rem;
}
[data-theme="light"] .hero h1 {
  background: linear-gradient(90deg, #0d1117 0%, #1a6fc4 25%, #0a9e6e 55%, #d4870a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 2rem; max-width: 480px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── BOOK COVER IMAGE ── */
.book-cover-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.book-cover-img {
  width: 100%;
  max-width: 380px;
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 60px rgba(45,222,152,0.12);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1), box-shadow 0.4s ease;
  display: block;
  margin: 0 auto;
}
.book-cover-img:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 40px 100px rgba(0,0,0,0.7), 0 0 80px rgba(45,222,152,0.18);
}
[data-theme="light"] .book-cover-img {
  box-shadow: 0 24px 60px rgba(0,0,0,0.2), 0 0 40px rgba(10,158,110,0.12);
}
[data-theme="light"] .book-cover-img:hover {
  box-shadow: 0 40px 80px rgba(0,0,0,0.28), 0 0 60px rgba(10,158,110,0.2);
}
.book-cover-glow {
  position: absolute;
  bottom: -40px; left: 50%;
  transform: translateX(-50%);
  width: 70%; height: 80px;
  background: radial-gradient(ellipse, rgba(45,222,152,0.25) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(16px);
}
[data-theme="light"] .book-cover-glow {
  background: radial-gradient(ellipse, rgba(10,158,110,0.18) 0%, transparent 70%);
}

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 100px; font-weight: 700; font-size: 0.875rem; cursor: pointer; transition: var(--transition); border: none; text-decoration: none; }
.btn-primary { background: var(--accent-green); color: var(--bg-dark); }
.btn-primary:hover { filter: brightness(1.1); color: var(--bg-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(45,222,152,0.3); }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border-hover); }
.btn-secondary:hover { background: var(--bg-card); color: var(--text-primary); transform: translateY(-2px); }

/* ── CARDS ── */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; transition: var(--transition); position: relative; overflow: hidden; }
.card:hover { background: var(--bg-card-hover); border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow); }
.card-icon { width: 44px; height: 44px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; font-size: 1.3rem; }
.icon-green { background: var(--icon-green-bg); }
.icon-yellow { background: var(--icon-yellow-bg); }
.icon-blue { background: var(--icon-blue-bg); }
.card h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--text-primary); }
.card p { font-size: 0.9rem; margin: 0; }

/* ── QUOTE BLOCK ── */
.quote-block { border-left: 3px solid var(--accent-green); padding: 20px 24px; background: var(--quote-bg); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 24px 0; }
.quote-block p { font-style: italic; color: var(--text-secondary); font-size: 0.95rem; margin: 0; line-height: 1.7; }
.quote-block cite { display: block; margin-top: 10px; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-green); font-style: normal; }

/* ── LEARN BOXES ── */
.learn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.learn-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; }
.learn-box.accent { border-color: rgba(45,222,152,0.3); box-shadow: var(--glow-green); }
[data-theme="light"] .learn-box.accent { border-color: rgba(10,158,110,0.25); }
.learn-list { list-style: none; margin-top: 20px; }
.learn-list li { display: flex; align-items: flex-start; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--border); font-size: 0.875rem; color: var(--text-secondary); }
.learn-list li:last-child { border-bottom: none; }
.learn-list li::before { content: '✓'; color: var(--accent-green); font-weight: 800; flex-shrink: 0; margin-top: 2px; }

/* ── PILLS ── */
.framework-pill { display: inline-flex; align-items: center; gap: 6px; background: var(--pill-bg); border: 1px solid var(--pill-border); color: var(--accent-green); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 6px 14px; border-radius: 100px; margin: 4px; }

/* ── STEPS ── */
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 48px; }
.step-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px 32px; position: relative; overflow: hidden; }
.step-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.step-card:nth-child(1)::after { background: var(--accent-green); }
.step-card:nth-child(2)::after { background: var(--accent-blue); }
.step-card:nth-child(3)::after { background: var(--accent-yellow); }
.step-number-bg { font-family: var(--font-display); font-size: 5rem; font-weight: 900; color: var(--step-bg-text); line-height: 1; position: absolute; top: 16px; right: 20px; }
.step-badge { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; font-weight: 800; font-size: 0.8rem; margin-bottom: 18px; }
.step-card:nth-child(1) .step-badge { background: var(--badge-1-bg); color: var(--accent-green); }
.step-card:nth-child(2) .step-badge { background: var(--badge-2-bg); color: var(--accent-blue); }
.step-card:nth-child(3) .step-badge { background: var(--badge-3-bg); color: var(--accent-yellow); }
.step-card h3 { color: var(--text-primary); }

/* ── CTA ── */
.cta-section { text-align: center; padding: 120px 0; position: relative; overflow: hidden; }
[data-theme="light"] .cta-section { background: linear-gradient(160deg, #0a9e6e 0%, #077a54 100%); }
[data-theme="light"] .cta-section h2,
[data-theme="light"] .cta-section .section-label { color: #fff; }
[data-theme="light"] .cta-section .section-label::before { background: rgba(255,255,255,0.5); }
[data-theme="light"] .cta-section > .container > p { color: rgba(255,255,255,0.85); }
[data-theme="light"] .cta-section .btn-primary { background: #fff; color: #0a9e6e; }
[data-theme="light"] .cta-section .btn-secondary { color: #fff; border-color: rgba(255,255,255,0.4); }
[data-theme="light"] .cta-section .quote-block { background: rgba(255,255,255,0.08); border-left-color: rgba(255,255,255,0.5); }
[data-theme="light"] .cta-section .quote-block p { color: rgba(255,255,255,0.85); }
[data-theme="light"] .cta-section .quote-block cite { color: rgba(255,255,255,0.6); }
.cta-section::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 900px; height: 500px; background: radial-gradient(ellipse, rgba(45,222,152,0.05) 0%, transparent 70%); pointer-events: none; }
.cta-section h2 { margin-bottom: 1rem; }
.cta-section > .container > p { margin-bottom: 2.5rem; font-size: 1.05rem; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── DIVIDER & FOOTER ── */
.section-divider { height: 1px; background: var(--border); margin: 0; }
.site-footer { border-top: 1px solid var(--border); padding: 40px 0; }
[data-theme="light"] .site-footer { background: #fff; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; }
.footer-inner p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.8rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--accent-green); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .learn-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .section { padding: 64px 0; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
	/* ── Audiobook accent button ── */
.btn-accent {
  background: linear-gradient(135deg, var(--accent-yellow), #e08e00);
  color: #0d1117;
  border: none;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  font-size: 0.95rem;
  transition: all 0.25s ease;
}
.btn-accent:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(245, 166, 35, 0.35);
}
	/* ── Audiobook section ── */
.audiobook-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}
.audiobook-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.925rem;
  color: var(--text-secondary);
  background: var(--bg-card);
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--bg-card-hover);
}
.audiobook-icon {
  font-size: 1.2rem;
}
.audiobook-visual {
  display: flex;
  justify-content: center;
}
.audiobook-cover-wrap {
  position: relative;
  max-width: 320px;
}
.audiobook-badge {
  position: absolute;
  top: 16px;
  left: -12px;
  background: linear-gradient(135deg, var(--accent-yellow), #e08e00);
  color: #0d1117;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(245, 166, 35, 0.3);
}

@media (max-width: 768px) {
  .audiobook-features {
    grid-template-columns: 1fr;
  }
}
}