/* ================================================
   Scheflo · scheflo.app · Global Stylesheet
   Supports light and dark mode via prefers-color-scheme
   ================================================ */

/* ── Light-mode tokens (default) ── */
:root {
  color-scheme: light dark;

  /* Brand */
  --blue:       #007AFF;
  --purple:     #5856D6;
  --indigo:     #3634A3;
  --green:      #34C759;
  --orange:     #FF9500;
  --red:        #FF3B30;

  /* Semantic surface tokens */
  --bg:         #ffffff;
  --bg2:        #F2F2F7;
  --bg3:        #FFFFFF;
  --nav-bg:     rgba(255,255,255,.82);
  --nav-border: rgba(0,0,0,.08);
  --hero-grad:  linear-gradient(165deg, #f5f8ff 0%, #eef2ff 50%, #f5f0ff 100%);
  --blob-op:    .18;

  /* Text tokens */
  --fg:         #1C1C1E;
  --fg2:        #3A3A3C;
  --fg3:        #8E8E93;

  /* Component tokens */
  --border:     rgba(0,0,0,.08);
  --card:       #FFFFFF;
  --stats-bg:   #1C1C1E;
  --footer-bg:  #1C1C1E;

  /* Elevation */
  --shadow-sm:  0 2px 12px rgba(0,0,0,.06);
  --shadow-md:  0 8px 32px rgba(0,0,0,.10);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.14);

  /* Shape */
  --radius-lg:  20px;
  --radius-md:  14px;
  --radius-sm:  10px;
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --font:       -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
}

/* ── Dark-mode token overrides ── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:         #000000;
    --bg2:        #1C1C1E;
    --bg3:        #2C2C2E;
    --nav-bg:     rgba(20,20,22,.90);
    --nav-border: rgba(255,255,255,.1);
    --hero-grad:  linear-gradient(165deg, #070b14 0%, #0d0a1f 50%, #100810 100%);
    --blob-op:    .28;

    --fg:         #F2F2F7;
    --fg2:        #EBEBF0;
    --fg3:        #8E8E93;

    --border:     rgba(255,255,255,.1);
    --card:       #1C1C1E;
    --stats-bg:   #111111;
    --footer-bg:  #111111;

    --shadow-sm:  0 2px 12px rgba(0,0,0,.4);
    --shadow-md:  0 8px 32px rgba(0,0,0,.5);
    --shadow-lg:  0 20px 60px rgba(0,0,0,.65);
  }
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background .3s, color .3s;
}

/* ── Typography ── */
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; line-height: 1.1; letter-spacing: -.03em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 750; letter-spacing: -.025em; }
h3 { font-size: 1.15rem; font-weight: 650; letter-spacing: -.015em; }
p  { color: var(--fg3); line-height: 1.7; }
a  { color: inherit; text-decoration: none; }

/* ── Layout ── */
.container    { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.section      { padding: 96px 0; }
.section-sm   { padding: 64px 0; }
.text-center  { text-align: center; }

/* ── Gradient text ── */
.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ================================================
   NAVBAR
   ================================================ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--nav-border);
  transition: background .3s;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 750;
  letter-spacing: -.02em;
  color: var(--fg);
}

.nav-logo .logo-mark {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: .85rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(0,122,255,.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--fg2);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--blue); }

.nav-cta {
  background: var(--blue);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 20px;
  font-weight: 600 !important;
  font-size: .88rem !important;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition) !important;
}
.nav-cta:hover {
  background: var(--indigo) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,122,255,.4);
  color: #fff !important;
}

.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--fg); border-radius: 2px;
  margin: 5px 0;
  transition: var(--transition);
}

/* ================================================
   HERO
   ================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 60px;
  background: var(--hero-grad);
  position: relative;
  overflow: hidden;
}

.hero::before, .hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: var(--blob-op);
  pointer-events: none;
}
.hero::before { width: 600px; height: 600px; background: var(--blue);   top: -100px; left: -150px; }
.hero::after  { width: 500px; height: 500px; background: var(--purple); bottom: -100px; right: -100px; }

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 80px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(0,122,255,.1);
  color: var(--blue);
  font-size: .8rem;
  font-weight: 650;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  border: 1px solid rgba(0,122,255,.2);
}

.hero-text h1 { margin-bottom: 20px; }
.hero-text p  { font-size: 1.15rem; max-width: 440px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--fg);
  color: var(--bg);
  padding: 13px 22px;
  border-radius: var(--radius-md);
  font-size: .9rem;
  font-weight: 500;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-store:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--bg);
}
.btn-store svg { width: 20px; height: 20px; }
.btn-store-label { display: flex; flex-direction: column; line-height: 1.2; }
.btn-store-label small { font-size: .68rem; opacity: .75; }
.btn-store-label strong { font-size: 1rem; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius-md);
  font-size: .9rem;
  font-weight: 500;
  color: var(--blue);
  border: 1.5px solid rgba(0,122,255,.3);
  transition: var(--transition);
}
.btn-outline:hover {
  background: rgba(0,122,255,.06);
  border-color: var(--blue);
  transform: translateY(-2px);
  color: var(--blue);
}

/* Phone mockup */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.phone-frame {
  width: 270px;
  height: 560px;
  background: #1C1C1E;
  border-radius: 44px;
  box-shadow: var(--shadow-lg), 0 0 0 2px rgba(255,255,255,.12) inset;
  position: relative;
  overflow: hidden;
  transform: perspective(1000px) rotateY(-6deg) rotateX(2deg);
  transition: transform .5s ease;
}
.phone-frame:hover { transform: perspective(1000px) rotateY(0deg) rotateX(0deg); }

.phone-notch {
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 110px; height: 30px;
  background: #1C1C1E;
  border-radius: 20px;
  z-index: 10;
}

.phone-screen {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #1a2a4a 0%, #0a1628 60%, #15103a 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.phone-app-icon {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  color: #fff;
  box-shadow: 0 12px 40px rgba(0,122,255,.5);
}

.phone-screen p    { color: rgba(255,255,255,.6); font-size: .82rem; font-weight: 500; letter-spacing: .02em; }
.phone-screen strong { color: #fff; font-size: 1.1rem; font-weight: 700; }

/* Floating cards */
.float-card {
  position: absolute;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  box-shadow: var(--shadow-md);
  font-size: .78rem;
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: float 4s ease-in-out infinite;
}
.float-card:nth-child(2) { animation-delay: -1.3s; }
.float-card:nth-child(3) { animation-delay: -2.6s; }
.float-card .fc-dot { width: 8px; height: 8px; border-radius: 50%; }

.float-card-1 { top: 80px;  right: -20px; }
.float-card-2 { bottom: 150px; left: -30px; }
.float-card-3 { bottom: 60px;  right: -10px; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* ================================================
   STATS BAR
   ================================================ */
.stats-bar { background: var(--stats-bg); padding: 32px 0; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  text-align: center;
  padding: 0 24px;
  border-right: 1px solid rgba(255,255,255,.1);
}
.stat-item:last-child { border-right: none; }

.stat-number { font-size: 2rem; font-weight: 800; color: #fff; letter-spacing: -.03em; }
.stat-number span { color: var(--blue); }
.stat-label  { font-size: .8rem; color: rgba(255,255,255,.45); margin-top: 2px; }

/* ================================================
   FEATURES
   ================================================ */
.features-intro { max-width: 560px; margin: 0 auto 60px; }
.features-intro h2 { margin-bottom: 12px; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-card:hover::before { opacity: 1; }

.feature-card.blue::before   { background: linear-gradient(90deg, var(--blue), var(--purple)); }
.feature-card.green::before  { background: linear-gradient(90deg, var(--green), #30D158); }
.feature-card.orange::before { background: linear-gradient(90deg, var(--orange), #FF6B00); }
.feature-card.red::before    { background: linear-gradient(90deg, var(--red), #FF6961); }
.feature-card.purple::before { background: linear-gradient(90deg, var(--purple), var(--indigo)); }
.feature-card.teal::before   { background: linear-gradient(90deg, #5AC8FA, #34C3BE); }

.feature-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}
.feature-card.blue   .feature-icon { background: rgba(0,122,255,.12);  color: var(--blue); }
.feature-card.green  .feature-icon { background: rgba(52,199,89,.12);   color: var(--green); }
.feature-card.orange .feature-icon { background: rgba(255,149,0,.12);   color: var(--orange); }
.feature-card.red    .feature-icon { background: rgba(255,59,48,.12);   color: var(--red); }
.feature-card.purple .feature-icon { background: rgba(88,86,214,.12);   color: var(--purple); }
.feature-card.teal   .feature-icon { background: rgba(90,200,250,.12);  color: #007AFF; }

.feature-card h3 { margin-bottom: 8px; color: var(--fg); }
.feature-card p  { font-size: .9rem; }

/* ================================================
   HIGHLIGHT SECTIONS
   ================================================ */
.highlight { background: var(--bg2); }

.highlight-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.highlight-inner.reverse { direction: rtl; }
.highlight-inner.reverse > * { direction: ltr; }

.highlight-text .tag {
  display: inline-block;
  background: rgba(0,122,255,.1);
  color: var(--blue);
  font-size: .78rem;
  font-weight: 650;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.highlight-text h2 { margin-bottom: 16px; color: var(--fg); }
.highlight-text p  { font-size: 1rem; max-width: 440px; margin-bottom: 24px; }

.highlight-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.highlight-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .95rem;
  color: var(--fg2);
}
.check-icon {
  width: 22px; height: 22px;
  background: rgba(52,199,89,.15);
  color: var(--green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.highlight-visual {
  background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 100%);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: rgba(255,255,255,.9);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.highlight-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.08) 0%, transparent 60%);
}

/* ================================================
   CTA BANNER
   ================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: rgba(255,255,255,.06);
  border-radius: 50%;
  top: -150px; right: -100px;
}
.cta-banner h2 { color: #fff; margin-bottom: 12px; }
.cta-banner p  { color: rgba(255,255,255,.75); font-size: 1.05rem; margin-bottom: 36px; }
.cta-actions   { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--blue);
  padding: 13px 24px;
  border-radius: var(--radius-md);
  font-size: .95rem;
  font-weight: 650;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,.2); color: var(--blue); }

.btn-white-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-md);
  font-size: .95rem;
  font-weight: 600;
  color: rgba(255,255,255,.9);
  border: 1.5px solid rgba(255,255,255,.4);
  transition: var(--transition);
}
.btn-white-outline:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; transform: translateY(-2px); }

/* ================================================
   FOOTER
   ================================================ */
footer {
  background: var(--footer-bg);
  padding: 56px 0 32px;
  color: rgba(255,255,255,.6);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand .logo-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 14px;
}
.footer-brand p { font-size: .88rem; color: rgba(255,255,255,.45); max-width: 240px; line-height: 1.7; }

.footer-col h4 {
  color: #fff;
  font-size: .85rem;
  font-weight: 650;
  margin-bottom: 16px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.footer-col ul         { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a       { font-size: .88rem; color: rgba(255,255,255,.5); transition: color var(--transition); }
.footer-col ul a:hover { color: #fff; }

/* Social links */
.social-links { display: flex; gap: 10px; margin-top: 18px; }
.social-links a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.55);
  font-size: .95rem;
  transition: background var(--transition), color var(--transition);
}
.social-links a:hover { background: rgba(255,255,255,.18); color: #fff; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: .82rem;
}

.footer-badges { display: flex; gap: 10px; }
.badge {
  background: rgba(255,255,255,.08);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .75rem;
  color: rgba(255,255,255,.5);
}

/* ================================================
   INNER PAGES
   ================================================ */
.page-hero {
  background: var(--hero-grad);
  padding: 120px 0 64px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 12px; color: var(--fg); }
.page-hero p  { font-size: 1.05rem; }

.prose {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 24px;
}
.prose h2       { font-size: 1.4rem; margin: 40px 0 12px; color: var(--fg); }
.prose h3       { font-size: 1.1rem; margin: 28px 0 8px; color: var(--fg); }
.prose p,
.prose li       { font-size: .97rem; color: var(--fg2); line-height: 1.8; margin-bottom: 12px; }
.prose ul       { padding-left: 20px; }
.prose a        { color: var(--blue); }
.prose a:hover  { text-decoration: underline; }
.prose strong   { color: var(--fg); }

/* Support grid */
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 24px;
}
.support-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.support-card h3 { margin-bottom: 10px; color: var(--fg); display: flex; align-items: center; gap: 10px; }
.support-card p  { font-size: .9rem; margin-bottom: 16px; }
.support-card a.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-size: .9rem;
  font-weight: 600;
}
.support-card a.link-btn:hover { text-decoration: underline; }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; padding: 0 24px 80px; }
.faq h2 { font-size: 1.6rem; margin-bottom: 28px; color: var(--fg); }
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-q {
  font-weight: 650;
  font-size: .97rem;
  color: var(--fg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q::after { content: '+'; font-size: 1.3rem; color: var(--blue); font-weight: 400; flex-shrink: 0; transition: transform .2s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { font-size: .9rem; color: var(--fg2); line-height: 1.8; margin-top: 12px; display: none; }
.faq-item.open .faq-a { display: block; }

/* Contact strip */
.contact-strip { background: var(--bg2); padding: 48px 0; text-align: center; }
.contact-strip h2  { margin-bottom: 10px; color: var(--fg); }
.contact-strip p   { margin-bottom: 24px; }
.contact-strip a.btn-blue {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
}
.contact-strip a.btn-blue:hover { background: var(--indigo); transform: translateY(-2px); }

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top    { grid-template-columns: 1fr 1fr; }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); }
  .stat-item     { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); padding: 20px; }
  .highlight-inner          { grid-template-columns: 1fr; gap: 40px; }
  .highlight-inner.reverse  { direction: ltr; }
}

@media (max-width: 680px) {
  .hero-inner    { grid-template-columns: 1fr; text-align: center; gap: 48px; }
  .hero-text p   { margin: 0 auto 36px; }
  .hero-actions  { justify-content: center; }
  .hero-visual   { order: -1; }
  .phone-frame   { transform: none !important; width: 220px; height: 460px; }
  .float-card    { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-top    { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .nav-links     { display: none; }
  .nav-hamburger { display: block; }
  .support-grid  { grid-template-columns: 1fr; }
  .stats-grid    { grid-template-columns: 1fr 1fr; }

  /* Mobile nav open state — uses CSS tokens for dark/light mode */
  .nav-links.is-open {
    display: flex !important;
    flex-direction: column;
    position: fixed;
    top: 60px;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    gap: 16px;
    z-index: 99;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
  }
}