/* ============================================
   ATOMIC LABS — Landing Page Styles
   Deep red accent on white. Clean. Modern.
============================================ */

:root {
  --red:        #9B1C1C;
  --red-dark:   #7F1D1D;
  --red-light:  #FEF2F2;
  --black:      #111111;
  --gray-900:   #1a1a1a;
  --gray-700:   #374151;
  --gray-500:   #6B7280;
  --gray-300:   #D1D5DB;
  --gray-100:   #F9FAFB;
  --white:      #FFFFFF;

  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;

  --max-w:      1100px;
  --section-py: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---- UTILITIES ---- */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}

.section {
  padding: var(--section-py) 0;
}

/* ---- BUTTONS ---- */

.btn-primary {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 14px 28px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.btn-lg {
  font-size: 16px;
  padding: 16px 36px;
}

.btn-xl {
  font-size: 18px;
  padding: 20px 48px;
  border-radius: 8px;
}

/* ---- TYPOGRAPHY ---- */

h1, h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--black);
}

h1 { font-size: clamp(36px, 5vw, 60px); }
h2 { font-size: clamp(28px, 4vw, 44px); margin-bottom: 24px; }
h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--black); }
h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; color: var(--black); }

p {
  font-size: 17px;
  color: var(--gray-700);
  margin-bottom: 16px;
}

p:last-child { margin-bottom: 0; }

em { font-style: italic; }
strong { font-weight: 600; color: var(--black); }

/* ---- NAV ---- */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-300);
  padding: 16px 0;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-atom {
  font-size: 24px;
  color: var(--red);
}

.logo-text {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.02em;
}

/* ---- HERO ---- */

.hero {
  padding: 100px 0 80px;
  background: var(--white);
}

.hero-inner {
  max-width: 760px;
}

.hero-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  background: var(--red-light);
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 28px;
}

.hero-headline {
  margin-bottom: 28px;
}

.hero-headline em {
  color: var(--red);
  font-style: italic;
}

.hero-sub {
  font-size: 20px;
  color: var(--gray-700);
  margin-bottom: 36px;
  max-width: 640px;
  line-height: 1.6;
}

.hero-nudge {
  font-size: 14px;
  color: var(--gray-500);
  margin-top: 12px;
  margin-bottom: 0;
}

/* ---- VIDEO PROOF ---- */

.section-video-proof {
  background: var(--white);
  padding-top: 72px;
}

.video-proof-intro {
  font-size: 18px;
  max-width: 760px;
  margin-bottom: 28px;
}

.video-embed-wrap {
  width: 100%;
  max-width: 980px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--gray-300);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
  background: #000;
}

wistia-player[media-id='ts3y9mlkjc']:not(:defined) {
  background: center / contain no-repeat url('https://fast.wistia.com/embed/medias/ts3y9mlkjc/swatch');
  display: block;
  filter: blur(5px);
  padding-top: 64.79%;
}

/* ---- PROOF BAR ---- */

.proof-bar {
  background: var(--black);
  padding: 32px 0;
}

.proof-bar-quote {
  font-family: var(--font-serif);
  font-size: clamp(20px, 3vw, 28px);
  color: var(--white);
  font-style: italic;
  text-align: center;
}

.proof-bar-quote cite {
  display: block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-style: normal;
  color: var(--gray-500);
  margin-top: 8px;
  font-weight: 500;
}

/* ---- PROBLEM ---- */

.section-problem {
  background: var(--gray-100);
}

.section-problem h2 {
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.problem-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 12px;
  padding: 32px;
}

.problem-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.problem-card p {
  font-size: 16px;
  color: var(--gray-700);
}

.problem-conclusion {
  font-size: 20px;
  color: var(--black);
  text-align: center;
  line-height: 1.5;
}

.problem-conclusion strong {
  color: var(--red);
}

/* ---- SOLUTION ---- */

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

.solution-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}

.solution-text p {
  font-size: 18px;
  margin-bottom: 18px;
}

.solution-signoff {
  font-family: var(--font-serif);
  font-size: 22px !important;
  font-style: italic;
  color: var(--red) !important;
}

.solution-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.atom-badge {
  width: 180px;
  height: 180px;
  background: var(--red-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  border: 3px solid var(--red);
  opacity: 0.85;
}

/* ---- HOW IT WORKS ---- */

.section-how {
  background: var(--gray-100);
}

.section-how h2 {
  margin-bottom: 56px;
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.step {
  flex: 1;
  padding: 0 32px;
}

.step:first-child {
  padding-left: 0;
}

.step:last-child {
  padding-right: 0;
}

.step-number {
  font-family: var(--font-serif);
  font-size: 48px;
  color: var(--red);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.step p {
  font-size: 16px;
}

.step-note {
  font-weight: 600;
  color: var(--black) !important;
  font-style: italic;
}

.step-divider {
  width: 1px;
  background: var(--gray-300);
  align-self: stretch;
  margin: 8px 0;
  flex-shrink: 0;
}

/* ---- PROOF ---- */

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

.proof-intro {
  font-size: 18px;
  margin-bottom: 48px;
  max-width: 600px;
}

.day-one {
  background: var(--black);
  border-radius: 16px;
  padding: 40px 48px;
  margin-bottom: 48px;
  max-width: 640px;
}

.day-one-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 20px;
}

.day-one-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.day-one-list li {
  color: var(--white);
  font-size: 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.check {
  color: var(--red);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.testimonial {
  background: var(--gray-100);
  border-left: 3px solid var(--red);
  border-radius: 8px;
  padding: 24px;
}

.testimonial p {
  font-family: var(--font-serif);
  font-size: 18px;
  font-style: italic;
  color: var(--black);
  margin-bottom: 12px;
}

.testimonial cite {
  font-style: normal;
  font-size: 14px;
  color: var(--gray-500);
  font-weight: 500;
}

/* ---- INCLUDED ---- */

.section-included {
  background: var(--gray-100);
}

.included-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.included-item {
  background: var(--white);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  border: 1px solid var(--gray-300);
}

.included-icon {
  font-size: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.included-item p {
  font-size: 15px;
  color: var(--gray-500);
  margin: 0;
}

/* ---- PRICING ---- */

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

.pricing-sub {
  font-size: 18px;
  max-width: 600px;
  margin-bottom: 48px;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 680px;
  margin-bottom: 48px;
}

.pricing-card {
  border: 1px solid var(--gray-300);
  border-radius: 16px;
  padding: 36px;
  position: relative;
}

.pricing-card-featured {
  border-color: var(--red);
  border-width: 2px;
  background: var(--white);
}

.pricing-badge {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.pricing-tier {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.pricing-amount {
  font-family: var(--font-serif);
  font-size: 52px;
  color: var(--black);
  line-height: 1;
  margin-bottom: 12px;
}

.pricing-amount span {
  font-family: var(--font-sans);
  font-size: 18px;
  color: var(--gray-500);
}

.pricing-note {
  font-size: 15px;
  color: var(--gray-700);
  margin-bottom: 24px;
}

.pricing-future {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 12px;
}

.guarantee {
  border: 1px solid var(--gray-300);
  border-radius: 12px;
  padding: 36px 40px;
  max-width: 640px;
  background: var(--gray-100);
}

.guarantee h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 12px;
}

.guarantee p {
  font-size: 17px;
}

.guarantee-note {
  font-size: 15px !important;
  color: var(--gray-500) !important;
  font-style: italic;
}

/* ---- ABOUT ---- */

.section-about {
  background: var(--gray-100);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 80px;
  align-items: center;
}

.about-text p {
  font-size: 17px;
}

.about-signoff {
  font-family: var(--font-serif);
  font-size: 20px !important;
  font-style: italic;
  color: var(--black) !important;
}

.founder-card {
  text-align: center;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 16px;
  padding: 40px 36px;
  min-width: 200px;
}

.founder-atom {
  font-size: 48px;
  color: var(--red);
  display: block;
  margin-bottom: 16px;
}

.founder-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 4px;
}

.founder-title {
  font-size: 13px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- FAQ ---- */

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

.faq-list {
  max-width: 720px;
  margin-top: 16px;
}

.faq-item {
  border-bottom: 1px solid var(--gray-300);
  padding: 24px 0;
}

.faq-item:first-child {
  border-top: 1px solid var(--gray-300);
}

.faq-item summary {
  font-size: 17px;
  font-weight: 600;
  color: var(--black);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--red);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  margin-top: 16px;
  font-size: 16px;
}

/* ---- FINAL CTA ---- */

.section-cta {
  background: var(--black);
  text-align: center;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
}

.section-cta h2 {
  color: var(--white);
  margin-bottom: 24px;
}

.section-cta p {
  color: #9CA3AF;
  font-size: 18px;
  margin-bottom: 16px;
}

.section-cta .btn-xl {
  margin-top: 16px;
}

.cta-nudge {
  font-size: 14px !important;
  color: var(--gray-500) !important;
  margin-top: 16px;
}

/* ---- FOOTER ---- */

footer {
  background: var(--black);
  border-top: 1px solid #222;
  padding: 32px 0;
}

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

footer .logo-text {
  color: var(--white);
}

.footer-copy {
  font-size: 14px;
  color: var(--gray-500);
  margin: 0;
}

/* ---- RESPONSIVE ---- */

@media (max-width: 768px) {
  :root {
    --section-py: 64px;
  }

  .nav-cta {
    font-size: 14px;
    padding: 10px 18px;
  }

  .hero {
    padding: 64px 0 48px;
  }

  .steps {
    flex-direction: column;
    gap: 40px;
  }

  .step {
    padding: 0;
  }

  .step-divider {
    width: 100%;
    height: 1px;
    align-self: auto;
    margin: 0;
  }

  .solution-inner,
  .about-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .solution-visual,
  .about-visual {
    display: none;
  }

  .pricing-cards {
    max-width: 100%;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .day-one {
    padding: 28px 24px;
  }

  .hero-sub {
    font-size: 18px;
  }
}