/* SoloGym — Kinetic Noir marketing site */

:root {
  --surface: #0e0e0e;
  --surface-low: #131313;
  --surface-container: #1a1a1a;
  --surface-high: #20201f;
  --surface-highest: #262626;
  --on-surface: #ffffff;
  --on-surface-variant: #adaaaa;
  --primary: #f3ffca;
  --primary-container: #cafd00;
  --primary-dim: #beee00;
  --on-primary-fixed: #3a4a00;
  --secondary: #ece856;
  --outline: #767575;
  --outline-ghost: rgba(72, 72, 71, 0.15);
  --shadow: rgba(0, 0, 0, 0.4);
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --font-display: "Lexend", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --header-h: 72px;
  --max: 1120px;
  --cta-gradient: linear-gradient(135deg, #f3ffca 0%, #cafd00 100%);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--on-surface);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary-container);
  text-decoration: none;
}

a:hover {
  color: var(--primary);
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
  color: var(--on-surface-variant);
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.placeholder-chip {
  display: inline;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92em;
  color: var(--primary-container);
  background: rgba(202, 253, 0, 0.08);
  border: 1px solid rgba(202, 253, 0, 0.35);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  white-space: nowrap;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(14, 14, 14, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--outline-ghost);
  background: rgba(14, 14, 14, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--on-surface);
  text-decoration: none;
}

.brand:hover {
  color: var(--on-surface);
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  object-fit: cover;
}

.brand-wordmark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.95rem;
  letter-spacing: 0.22em;
  color: var(--primary-container);
  text-transform: uppercase;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav-desktop a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  transition: color 0.2s ease;
}

.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] {
  color: var(--on-surface);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--surface-container);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background: var(--on-surface);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 99;
  background: rgba(14, 14, 14, 0.97);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.28s ease, visibility 0.28s ease;
}

.nav-mobile.is-open {
  transform: translateX(0);
  visibility: visible;
}

.nav-mobile a {
  display: block;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--on-surface);
  background: transparent;
}

.nav-mobile a:hover,
.nav-mobile a[aria-current="page"] {
  background: var(--surface-container);
  color: var(--primary-container);
}

.nav-mobile .btn {
  margin-top: 1rem;
  text-align: center;
}

body.nav-open {
  overflow: hidden;
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }

  .nav-toggle,
  .nav-mobile {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--cta-gradient);
  color: var(--on-primary-fixed);
  box-shadow: 0 8px 28px rgba(202, 253, 0, 0.18);
}

.btn-primary:hover {
  color: var(--on-primary-fixed);
}

.btn-ghost {
  background: transparent;
  color: var(--on-surface);
  border: 1px solid var(--outline-ghost);
}

.btn-ghost:hover {
  color: var(--on-surface);
  border-color: rgba(202, 253, 0, 0.35);
}

.btn-sm {
  padding: 0.65rem 1rem;
  font-size: 0.72rem;
}

.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  padding: 3.5rem 0 4rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  left: 50%;
  width: 70vw;
  height: 70vw;
  max-width: 720px;
  max-height: 720px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(202, 253, 0, 0.12) 0%, transparent 68%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3.5rem;
  }
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary-container);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  margin-bottom: 1.1rem;
}

.hero-lead {
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 36rem;
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Phone frames */
.phone-frame {
  position: relative;
  width: min(100%, 280px);
  margin-inline: auto;
  aspect-ratio: 9 / 19.5;
  border-radius: 36px;
  padding: 10px;
  background: linear-gradient(160deg, #2c2c2c, #0a0a0a);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 28px 60px var(--shadow);
}

.phone-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: 28px;
  background: var(--surface-low);
}

.phone-frame--lg {
  width: min(100%, 300px);
}

.phone-frame--sm {
  width: min(100%, 220px);
  border-radius: 28px;
  padding: 8px;
}

.phone-frame--sm img {
  border-radius: 22px;
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--surface-low);
}

.section-head {
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  margin-bottom: 0.75rem;
}

.section-label {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary-container);
  margin-bottom: 0.65rem;
}

/* Showcase */
.showcase-grid {
  display: grid;
  gap: 1.5rem;
  justify-items: center;
}

@media (min-width: 640px) {
  .showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .showcase-grid {
    grid-template-columns: repeat(4, 1fr);
    align-items: end;
  }

  .showcase-grid .phone-frame:nth-child(2),
  .showcase-grid .phone-frame:nth-child(4) {
    transform: translateY(-1.25rem);
  }
}

.showcase-caption {
  margin-top: 0.85rem;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

/* Feature cards */
.feature-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature-card {
  padding: 1.6rem 1.5rem;
  background: var(--surface-container);
  border-radius: var(--radius-xl);
  border: 1px solid var(--outline-ghost);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(202, 253, 0, 0.22);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 1rem;
  border-radius: var(--radius-md);
  background: rgba(202, 253, 0, 0.1);
  color: var(--primary-container);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.85rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.95rem;
}

/* Goals */
.goals-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, 1fr);
}

.goals-grid--compact {
  margin-top: 1.5rem;
}

@media (min-width: 700px) {
  .goals-grid:not(.goals-grid--compact) {
    grid-template-columns: repeat(4, 1fr);
  }
}

.premium-layout {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.premium-phone {
  justify-self: center;
}

@media (min-width: 960px) {
  .premium-layout {
    grid-template-columns: 1.4fr 0.7fr;
    gap: 2.5rem;
  }
}

.goal-chip {
  padding: 1.15rem 1rem;
  background: var(--surface-container);
  border-radius: var(--radius-lg);
  border: 1px solid var(--outline-ghost);
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.goal-chip:hover {
  border-color: rgba(202, 253, 0, 0.3);
  transform: translateY(-2px);
}

.goal-chip strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--on-surface);
  margin-bottom: 0.3rem;
}

.goal-chip span {
  font-size: 0.78rem;
  color: var(--on-surface-variant);
  line-height: 1.4;
}

/* Free / Premium */
.split-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 800px) {
  .split-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.plan-card {
  padding: 2rem 1.75rem;
  border-radius: var(--radius-xl);
  background: var(--surface-container);
  border: 1px solid var(--outline-ghost);
}

.plan-card--premium {
  background: linear-gradient(165deg, #1f2210 0%, #1a1a1a 45%, #131313 100%);
  border-color: rgba(202, 253, 0, 0.28);
}

.plan-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.plan-card .badge {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(202, 253, 0, 0.12);
  color: var(--primary-container);
}

.plan-card ul {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.65rem;
}

.plan-card li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--on-surface-variant);
  font-size: 0.95rem;
}

.plan-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-container);
}

/* Media + text rows */
.media-row {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 860px) {
  .media-row {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3.5rem;
  }

  .media-row--reverse {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .media-row--reverse .media-copy {
    order: -1;
  }
}

.media-copy h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.85rem;
}

.media-copy p + p {
  margin-top: 0.85rem;
}

/* Final CTA */
.final-cta {
  padding: 4.5rem 0;
  text-align: center;
}

.final-cta-box {
  padding: 3rem 1.75rem;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse at top, rgba(202, 253, 0, 0.14), transparent 55%),
    var(--surface-container);
  border: 1px solid rgba(202, 253, 0, 0.2);
}

.final-cta-box h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 0.75rem;
}

.final-cta-box p {
  max-width: 32rem;
  margin: 0 auto 1.75rem;
}

/* Footer */
.site-footer {
  padding: 3rem 0 2.25rem;
  border-top: 1px solid var(--outline-ghost);
  background: #000;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-bottom: 1.75rem;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
}

.footer-nav a:hover {
  color: var(--primary-container);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--outline);
}

/* Page hero (inner pages) */
.page-hero {
  padding: 3.5rem 0 2rem;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 0.75rem;
}

.page-hero p {
  max-width: 36rem;
  font-size: 1.05rem;
}

/* Contact */
.contact-layout {
  display: grid;
  gap: 2rem;
  padding-bottom: 4.5rem;
}

@media (min-width: 860px) {
  .contact-layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
    align-items: start;
  }
}

.contact-card,
.form-card {
  padding: 1.75rem;
  background: var(--surface-container);
  border-radius: var(--radius-xl);
  border: 1px solid var(--outline-ghost);
}

.contact-card h2 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.contact-card p + p {
  margin-top: 0.85rem;
}

.contact-email {
  margin-top: 1.25rem;
  font-size: 1.05rem;
}

.contact-links {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.form-note {
  margin-top: 1rem;
  font-size: 0.85rem;
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--outline-ghost);
  background: var(--surface-low);
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(202, 253, 0, 0.45);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* Legal pages */
.legal {
  padding-bottom: 4.5rem;
}

.legal-meta {
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.legal-toc {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 2.5rem;
  padding: 1.35rem 1.5rem;
  background: var(--surface-container);
  border-radius: var(--radius-lg);
  border: 1px solid var(--outline-ghost);
}

.legal-toc a {
  color: var(--on-surface-variant);
  font-size: 0.92rem;
}

.legal-toc a:hover {
  color: var(--primary-container);
}

.legal-section {
  padding: 1.75rem 0;
  border-top: 1px solid var(--outline-ghost);
}

.legal-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.legal-section h2 {
  font-size: 1.25rem;
  margin-bottom: 0.85rem;
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.legal-section p + p,
.legal-section ul {
  margin-top: 0.85rem;
}

.legal-section ul {
  padding-left: 1.2rem;
  list-style: disc;
}

.legal-section li {
  margin-bottom: 0.45rem;
  color: var(--on-surface-variant);
}

.legal-section li::marker {
  color: var(--primary-container);
}

.legal-disclaimer {
  margin-top: 2rem;
  padding: 1.25rem 1.4rem;
  border-radius: var(--radius-lg);
  background: rgba(202, 253, 0, 0.06);
  border: 1px solid rgba(202, 253, 0, 0.2);
  color: var(--on-surface-variant);
  font-size: 0.95rem;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn:hover,
  .feature-card:hover,
  .goal-chip:hover {
    transform: none;
  }

  .nav-mobile {
    transition: none;
  }
}