/* ==========================================================================
   Design tokens - palette sourced from the MyAiFitness.app logo (blue/cyan
   AI-fitness mark). Variable names are historical (from the old amber/teal
   scheme) but values below are the current brand colors - update values
   here, not the names, since they're referenced ~200+ times across the CSS.
   ========================================================================== */
:root {
  --sky: #BEE7FB;    /* pale cyan tint - light backgrounds/accents */
  --teal: #0C90D8;   /* mid brand blue - secondary elements, hover states */
  --navy: #0B1C2E;   /* deep navy-black from the logo shield - primary/headers/buttons */
  --amber: #18C0FC;  /* brightest cyan from the logo wordmark - CTAs, highlights (no amber in the new brand) */

  --navy-deep: #050E17;
  --ink: #06222f;
  --paper: #ffffff;
  --mist: #f4fbfd;
  --line: rgba(11, 28, 46, 0.1);

  --font-display: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 20px 50px -20px rgba(11, 28, 46, 0.35);
  --shadow-card: 0 12px 30px -14px rgba(11, 28, 46, 0.25);
  --container: 1180px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; line-height: 1.1; }
p { margin: 0; }
button { font: inherit; cursor: pointer; }
section { position: relative; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--amber);
  display: inline-block;
}

.section-head {
  max-width: 640px;
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}
.section-head h2 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  color: var(--navy);
  margin-top: 0.6rem;
  letter-spacing: -0.01em;
}
.section-head p {
  margin-top: 1rem;
  font-size: 1.05rem;
  color: #3d5b68;
  line-height: 1.6;
}
.section-head.center { margin-inline: auto; text-align: center; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.9rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--amber), #6FE0FF);
  color: var(--navy-deep);
  box-shadow: 0 14px 30px -12px rgba(24, 192, 252, 0.65);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 34px -12px rgba(24, 192, 252, 0.8); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.18); transform: translateY(-3px); }
.btn-navy {
  background: var(--navy);
  color: #fff;
}
.btn-navy:hover { background: var(--navy-deep); transform: translateY(-3px); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  padding: 1.1rem 0;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px -20px rgba(11, 28, 46, 0.45);
  padding: 0.7rem 0;
}
.site-header .container { display: flex; align-items: center; justify-content: flex-start; gap: clamp(1rem, 1.6vw, 1.75rem); }

.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-img { height: 56px; width: auto; max-width: none; transition: height 0.3s ease; }
.site-header.is-scrolled .logo-img { height: 42px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 1.6vw, 1.7rem);
  margin-left: auto;
}
.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.88);
  transition: color 0.3s ease;
  position: relative;
  white-space: nowrap;
}
.site-header.is-scrolled .nav-links a { color: var(--navy); }
.site-header.is-scrolled .header-actions .btn-ghost {
  background: rgba(11, 28, 46, 0.06);
  border-color: rgba(11, 28, 46, 0.25);
  color: var(--navy);
}
.site-header.is-scrolled .header-actions .btn-ghost:hover { background: rgba(11, 28, 46, 0.12); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.is-active { color: var(--amber); }
.site-header.is-scrolled .nav-links a.is-active { color: var(--teal); }
.nav-links a.is-active::after { transform: scaleX(1); background: var(--amber); }

.header-actions { display: flex; align-items: center; gap: 0.9rem; }
.header-actions .btn { padding: 0.7rem 1.4rem; font-size: 0.9rem; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span { width: 20px; height: 2px; background: #fff; transition: transform 0.3s ease, opacity 0.3s ease; }
.site-header.is-scrolled .nav-toggle span { background: var(--navy); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  color: #fff;
  isolation: isolate;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  filter: brightness(1.06) saturate(1.08);
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(11, 28, 46, 0.88) 0%, rgba(11, 28, 46, 0.55) 38%, rgba(11, 28, 46, 0.18) 62%, rgba(190, 231, 251, 0.12) 100%),
    linear-gradient(0deg, rgba(3, 20, 30, 0.55), transparent 45%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 3rem);
  align-items: center;
  padding-block: clamp(2rem, 6vw, 3rem);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  backdrop-filter: blur(8px);
}
.hero-badge .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 0 rgba(24, 192, 252, 0.7);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(24, 192, 252, 0.6); }
  70% { box-shadow: 0 0 0 10px rgba(24, 192, 252, 0); }
  100% { box-shadow: 0 0 0 0 rgba(24, 192, 252, 0); }
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  margin-top: 1.1rem;
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--amber), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  margin-top: 1.3rem;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 34rem;
  line-height: 1.65;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.1rem;
}
.hero-trust {
  margin-top: 2.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem 2.2rem;
}
.hero-trust div { display: flex; align-items: center; gap: 0.55rem; font-size: 0.88rem; color: rgba(255, 255, 255, 0.85); font-weight: 600; }
.hero-trust svg { width: 18px; height: 18px; color: var(--sky); flex-shrink: 0; }

/* Floating share-card mock inside the hero */
.hero-card {
  justify-self: end;
  width: min(100%, 320px);
  background: rgba(255, 255, 255, 0.97);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  color: var(--navy);
  box-shadow: var(--shadow-soft);
  transform: rotate(3deg);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: rotate(3deg) translateY(0); }
  50% { transform: rotate(3deg) translateY(-14px); }
}
.hero-card .tag {
  display: inline-block;
  background: var(--amber);
  color: var(--navy-deep);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}
.hero-card h3 { font-size: 2.5rem; margin-top: 0.85rem; }
.hero-card .sub { color: var(--teal); font-weight: 700; margin-top: 0.2rem; }
.hero-card .bar {
  margin-top: 1.1rem;
  height: 10px;
  border-radius: 999px;
  background: var(--mist);
  overflow: hidden;
}
.hero-card .bar span {
  display: block;
  height: 100%;
  width: 82%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), var(--amber));
}
.hero-card .foot {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: #5c7986;
  font-weight: 600;
}
.hero-card .foot span.brand { color: var(--navy); font-weight: 800; }

.scroll-cue {
  position: absolute;
  bottom: 1.8rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}
.scroll-cue .line { width: 1px; height: 34px; background: rgba(255, 255, 255, 0.55); position: relative; overflow: hidden; }
.scroll-cue .line::after {
  content: "";
  position: absolute; top: -100%; left: 0; width: 100%; height: 100%;
  background: var(--amber);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue { 0% { top: -100%; } 100% { top: 100%; } }

/* ==========================================================================
   How it works
   ========================================================================== */
.steps { background: var(--mist); padding-block: clamp(4rem, 8vw, 7rem); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.step-card {
  background: var(--paper);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
}
.step-card .num {
  width: 46px; height: 46px;
  border-radius: 14px;
  background: var(--navy);
  color: var(--sky);
  font-family: var(--font-display);
  font-weight: 800;
  display: grid;
  place-items: center;
  font-size: 1.05rem;
}
.step-card h3 { margin-top: 1.2rem; font-size: 1.25rem; color: var(--navy); }
.step-card p { margin-top: 0.6rem; color: #4c6975; line-height: 1.6; font-size: 0.96rem; }
.step-card:nth-child(2) .num { background: var(--teal); color: #fff; }
.step-card:nth-child(3) .num { background: var(--amber); color: var(--navy-deep); }

/* ==========================================================================
   Feature modules
   ========================================================================== */
.modules { padding-block: clamp(4rem, 8vw, 7.5rem); }
.modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.module-card {
  padding: 2.1rem 1.6rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fff, var(--mist));
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.module-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-card); border-color: transparent; }
.module-icon {
  width: 54px; height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: var(--sky);
  margin-bottom: 1.3rem;
}
.module-icon svg { width: 26px; height: 26px; }
.module-card:nth-child(2) .module-icon { background: var(--teal); color: #fff; }
.module-card:nth-child(3) .module-icon { background: var(--amber); color: var(--navy-deep); }
.module-card:nth-child(4) .module-icon { background: var(--sky); color: var(--navy); }
.module-card h3 { font-size: 1.18rem; color: var(--navy); }
.module-card p { margin-top: 0.65rem; font-size: 0.93rem; color: #4c6975; line-height: 1.6; }
.module-card .pill {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--teal);
}

/* ==========================================================================
   Share-card spotlight (split section)
   ========================================================================== */
.spotlight { padding-block: clamp(4rem, 8vw, 7.5rem); background: var(--navy); color: #fff; overflow: hidden; }
.spotlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: center;
}
.spotlight .eyebrow { color: var(--sky); }
.spotlight h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-top: 0.6rem; }
.spotlight p.lead { margin-top: 1.1rem; color: rgba(255, 255, 255, 0.82); font-size: 1.05rem; line-height: 1.7; max-width: 32rem; }
.spotlight-list { margin-top: 1.8rem; display: grid; gap: 0.9rem; }
.spotlight-list li { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.98rem; color: rgba(255, 255, 255, 0.92); }
.spotlight-list svg { width: 20px; height: 20px; color: var(--amber); flex-shrink: 0; margin-top: 2px; }

.spotlight-visual { position: relative; }
.spotlight-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55);
  aspect-ratio: 4 / 5;
}
.spotlight-photo img { width: 100%; height: 100%; object-fit: cover; filter: brightness(1.05); }
.floating-badge {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: #fff;
  color: var(--navy);
  padding: 1rem 1.3rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  max-width: 240px;
}
.floating-badge .icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--amber);
  color: var(--navy-deep);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.floating-badge strong { display: block; font-size: 0.95rem; }
.floating-badge span { font-size: 0.78rem; color: #587682; }

/* ==========================================================================
   Stat strip
   ========================================================================== */
.stat-strip {
  padding-block: clamp(3rem, 6vw, 4.5rem);
  background: linear-gradient(135deg, var(--sky), #d6f4fa);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}
.stat-grid h3 { font-size: clamp(2rem, 4vw, 2.6rem); color: var(--navy); }
.stat-grid p { margin-top: 0.4rem; font-size: 0.9rem; color: #2c5261; font-weight: 600; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { padding-block: clamp(4rem, 8vw, 7.5rem); background: var(--mist); position: relative; isolation: isolate; }
.faq-bg { position: absolute; inset: 0; z-index: -1; }
.faq-bg img { width: 100%; height: 100%; object-fit: cover; }
.faq-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(244,251,253,0.94) 0%, rgba(244,251,253,0.9) 100%); }
.faq-grid { display: grid; gap: 1rem; max-width: 820px; margin-inline: auto; }
.faq-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-item summary {
  padding: 1.3rem 1.6rem;
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--mist);
  color: var(--navy);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: transform 0.3s ease, background 0.3s ease;
  font-size: 1.1rem;
}
.faq-item[open] summary .plus { transform: rotate(45deg); background: var(--amber); color: var(--navy-deep); }
.faq-item .faq-answer { padding: 0 1.6rem 1.4rem; color: #4c6975; line-height: 1.7; font-size: 0.96rem; }

/* ==========================================================================
   Final CTA
   ========================================================================== */
.final-cta {
  position: relative;
  padding-block: clamp(4.5rem, 9vw, 8rem);
  color: #fff;
  isolation: isolate;
  text-align: center;
  overflow: hidden;
}
.final-cta-media { position: absolute; inset: 0; z-index: -1; }
.final-cta-media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 25%; filter: brightness(1.05); }
.final-cta-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 28, 46, 0.9), rgba(12, 144, 216, 0.75));
}
.final-cta .container { max-width: 720px; }
.final-cta h2 { font-size: clamp(2rem, 5vw, 3rem); }
.final-cta p { margin-top: 1rem; font-size: 1.1rem; color: rgba(255, 255, 255, 0.9); }
.final-cta .hero-cta { justify-content: center; margin-top: 2rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--navy-deep); color: rgba(255, 255, 255, 0.75); padding-top: clamp(3rem, 6vw, 4.5rem); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-grid p.desc { margin-top: 1rem; font-size: 0.92rem; line-height: 1.7; max-width: 26rem; color: rgba(255, 255, 255, 0.6); }
.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--sky); margin-bottom: 1.1rem; }
.footer-col ul { display: grid; gap: 0.7rem; }
.footer-col a { font-size: 0.92rem; color: rgba(255, 255, 255, 0.7); transition: color 0.25s ease; }
.footer-col a:hover { color: var(--amber); }
.footer-col a.is-active { color: var(--amber); font-weight: 700; }
.footer-bottom {
  padding-block: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 980px) {
  .nav-links, .header-actions .btn-ghost-wrap, .header-actions .btn-primary { display: none; }
  .header-actions { margin-left: auto; }
  .nav-toggle { display: flex; }
  /* Full email stays visible once the dropdown opens (account-dropdown-head) -
     showing it again in the collapsed header trigger is what pushed the
     hamburger button off-screen on narrow phones. */
  .fs-header-user-email { display: none; }
  .fs-header-user { padding: 0.4rem; gap: 0.3rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { justify-self: start; margin-top: 1rem; }
  .spotlight-grid { grid-template-columns: 1fr; }
  .spotlight-visual { order: -1; max-width: 380px; margin-inline: auto; }
  .floating-badge { left: 1rem; bottom: -1.2rem; }
}

@media (max-width: 640px) {
  .modules-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 5.5rem; }
  .hero-trust { gap: 1rem 1.5rem; }
}

/* Mobile nav panel */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--navy-deep);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transform: translateY(-100%);
  transition: transform 0.4s ease;
}
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav a { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: #fff; width: 100%; max-width: 320px; text-align: center; }
.mobile-nav a.is-active { color: var(--amber); }
.mobile-nav .btn { margin-top: 1rem; }