/* =====================================================================
   QuickInvoice — index-329.css
   Landing page: premium iOS-style liquid glass + Syne display type.
   ===================================================================== */

:root{
  --color-bg: #F4F6FB;
  --color-surface: #FFFFFF;
  --color-text: #171B2E;
  --color-text-secondary: #5B6478;
  --color-text-faint: #8B93A7;
  --color-border: #E3E7EF;
  --color-accent: #4F46E5;
  --color-accent-dark: #3D34C9;
  --color-accent-soft: #EEF0FF;
  --color-coral: #FF7A59;
  --color-coral-soft: #FFF1EC;

  --font-display: 'Syne', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-glass: 0 20px 60px rgba(23,27,46,0.10), 0 4px 14px rgba(23,27,46,0.05);
  --shadow-pop: 0 16px 36px rgba(79,70,229,0.24);
  --blur-amt: 24px;
  color-scheme: light;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3{ font-family: var(--font-display); margin: 0; }
p{ margin: 0; }
a{ color: inherit; }

/* ---------------------------------------------------------------------
   Ambient background
   --------------------------------------------------------------------- */
.bg-decor{ position: fixed; inset: 0; overflow: hidden; z-index: -1; pointer-events: none; }
.blob{ position: absolute; border-radius: 50%; filter: blur(110px); opacity: 0.38; animation: drift 24s ease-in-out infinite alternate; }
.blob-indigo{ width: 640px; height: 640px; top: -240px; left: -200px; background: radial-gradient(circle at 30% 30%, #7A73FF, #4F46E5 70%); }
.blob-coral{ width: 560px; height: 560px; top: 900px; right: -220px; background: radial-gradient(circle at 60% 40%, #FF9C7C, #FF7A59 70%); opacity: 0.26; animation-delay: -8s; }
@keyframes drift{ 0%{ transform: translate(0,0) scale(1); } 100%{ transform: translate(40px,-30px) scale(1.08); } }

/* ---------------------------------------------------------------------
   Buttons (shared)
   --------------------------------------------------------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 11px 20px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px) scale(0.99); }
.btn:focus-visible{ outline: 3px solid #A5B4FC; outline-offset: 2px; }
.btn-lg{ padding: 15px 26px; font-size: 0.98rem; border-radius: 14px; }

.btn-primary{
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #fff;
  box-shadow: var(--shadow-pop);
}
.btn-primary:hover{ filter: brightness(1.06); transform: translateY(-1px); }

.btn-ghost{
  background: rgba(255,255,255,0.5);
  color: var(--color-text);
  border-color: var(--color-border);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover{ background: rgba(255,255,255,0.8); }

.btn-outline{
  background: rgba(255,255,255,0.5);
  color: var(--color-accent-dark);
  border-color: var(--color-accent);
}
.btn-outline:hover{ background: var(--color-accent-soft); }

/* ---------------------------------------------------------------------
   Glass card base
   --------------------------------------------------------------------- */
.glass-card{
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(var(--blur-amt)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-amt)) saturate(180%);
  border: 1px solid rgba(255,255,255,0.75);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glass);
}

/* ---------------------------------------------------------------------
   Header
   --------------------------------------------------------------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 16px 28px;
}
.header-inner{
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 18px;
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(var(--blur-amt)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-amt)) saturate(180%);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: 999px;
  box-shadow: 0 8px 26px rgba(23,27,46,0.06);
  transition: box-shadow .2s ease, background .2s ease;
}
.site-header.is-scrolled .header-inner{
  background: rgba(255,255,255,0.75);
  box-shadow: var(--shadow-glass);
}

.brand{ display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo{ border-radius: 9px; display: block; }
.brand-text{ display: flex; flex-direction: column; line-height: 1.1; }
.brand-name{ font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; color: var(--color-text); }
.brand-by{ font-size: 0.68rem; color: var(--color-text-faint); font-weight: 600; }

.site-nav{ display: flex; gap: 26px; }
.site-nav a{
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color .15s ease;
}
.site-nav a:hover{ color: var(--color-accent-dark); }

.btn-nav-cta{ padding: 10px 18px; font-size: 0.84rem; }

/* ---------------------------------------------------------------------
   Hero
   --------------------------------------------------------------------- */
.hero{ padding: 70px 28px 40px; }
.hero-inner{
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow-pill{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.8);
  backdrop-filter: blur(14px);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 24px;
}
.eyebrow-pill .dot{ width: 7px; height: 7px; border-radius: 50%; background: var(--color-coral); box-shadow: 0 0 0 3px var(--color-coral-soft); }

.hero-title{
  font-size: clamp(2.2rem, 5.4vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: 22px;
  color: var(--color-text);
}

.hero-sub{
  font-size: 1.06rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin-bottom: 34px;
}

.hero-actions{ display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-bottom: 56px; }

/* Hero mock invoice card */
.hero-mock{ position: relative; width: 100%; max-width: 440px; }
.hero-mock-glow{
  position: absolute;
  inset: -30px;
  background: radial-gradient(circle, rgba(79,70,229,0.28), transparent 70%);
  filter: blur(20px);
  z-index: -1;
}
.hero-mock-card{
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(var(--blur-amt)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-amt)) saturate(180%);
  border: 1px solid rgba(255,255,255,0.85);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  padding: 26px;
  text-align: left;
  transform: perspective(900px) rotateX(4deg);
}
.mock-header{ display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.mock-block{ height: 14px; border-radius: 5px; background: linear-gradient(135deg, var(--color-accent), #8B85FF); }
.mock-block-lg{ width: 120px; }
.mock-pill{ width: 56px; height: 20px; border-radius: 999px; background: var(--color-coral-soft); border: 1px solid #FFD6C4; }
.mock-row{ display: grid; grid-template-columns: 2fr 0.6fr 0.8fr; gap: 10px; padding: 10px 0; border-bottom: 1px solid #EEF0F5; }
.mock-row span{ height: 9px; border-radius: 4px; background: #E3E7EF; }
.mock-row span:last-child{ background: #D8DBF5; }
.mock-total{ display: flex; justify-content: space-between; align-items: center; margin-top: 16px; padding-top: 14px; border-top: 2px solid #EEF0F5; font-size: 0.8rem; color: var(--color-text-secondary); }
.mock-total strong{ font-family: var(--font-display); font-size: 1.15rem; color: var(--color-accent-dark); }

/* ---------------------------------------------------------------------
   Section shared
   --------------------------------------------------------------------- */
.section{ padding: 84px 28px; }
.section-alt{ background: linear-gradient(180deg, rgba(238,240,255,0.5), rgba(255,255,255,0)); }
.section-inner{ max-width: 1160px; margin: 0 auto; text-align: center; }
.section-inner-narrow{ max-width: 760px; }

.section-eyebrow{
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-coral);
  margin-bottom: 12px;
}
.section-title{
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  margin-bottom: 16px;
}
.section-lead{
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
}

/* ---------------------------------------------------------------------
   Feature grid
   --------------------------------------------------------------------- */
.feature-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}
.feature-card{ padding: 26px; transition: transform .2s ease, box-shadow .2s ease; }
.feature-card:hover{ transform: translateY(-4px); box-shadow: 0 26px 50px rgba(23,27,46,0.12); }
.feature-icon{
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  margin-bottom: 16px;
}
.feature-icon[data-tone="indigo"]{ background: var(--color-accent-soft); color: var(--color-accent-dark); }
.feature-icon[data-tone="coral"]{ background: var(--color-coral-soft); color: var(--color-coral); }
.feature-card h3{ font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p{ font-size: 0.88rem; color: var(--color-text-secondary); line-height: 1.55; }

/* ---------------------------------------------------------------------
   Template showcase
   --------------------------------------------------------------------- */
.template-showcase{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: left;
}
.template-preview-card{
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(var(--blur-amt)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-amt)) saturate(180%);
  border: 1px solid rgba(255,255,255,0.75);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glass);
  padding: 16px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.template-preview-card:hover{ transform: translateY(-4px); box-shadow: 0 26px 50px rgba(23,27,46,0.12); }
.template-preview-card h3{ font-size: 0.94rem; font-weight: 700; margin: 14px 0 6px; }
.template-preview-card p{ font-size: 0.8rem; color: var(--color-text-secondary); line-height: 1.5; }

.tpl-thumb{
  height: 150px;
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
}
.tpl-thumb-title{ font-family: var(--font-display); font-weight: 800; font-size: 0.82rem; }
.tpl-thumb-line{ height: 5px; border-radius: 3px; width: 80%; }
.tpl-thumb-line.short{ width: 50%; }
.tpl-thumb-total{ margin-top: auto; font-size: 0.68rem; font-weight: 700; align-self: flex-end; padding: 4px 10px; border-radius: 6px; }

.tpl-thumb-modern{ background: #fff; border: 1px solid #E3E7EF; }
.tpl-thumb-modern .tpl-thumb-title{ color: var(--color-accent); }
.tpl-thumb-modern .tpl-thumb-line{ background: #E3E7EF; }
.tpl-thumb-modern .tpl-thumb-line:first-of-type{ background: var(--color-accent-soft); }
.tpl-thumb-modern .tpl-thumb-total{ background: var(--color-accent-soft); color: var(--color-accent-dark); }

.tpl-thumb-minimal{ background: #fff; border: 1px solid #111; }
.tpl-thumb-minimal .tpl-thumb-title{ color: #111; font-weight: 400; letter-spacing: 0.06em; }
.tpl-thumb-minimal .tpl-thumb-line{ background: #eee; border-bottom: 1px solid #111; height: 1px; }
.tpl-thumb-minimal .tpl-thumb-total{ background: #111; color: #fff; }

.tpl-thumb-classic{ background: #FFFDF9; border: 1px solid #C9A25A; }
.tpl-thumb-classic .tpl-thumb-title{ font-family: 'Georgia', serif; font-style: italic; color: #7A5A21; }
.tpl-thumb-classic .tpl-thumb-line{ background: #EADFC4; }
.tpl-thumb-classic .tpl-thumb-total{ background: #F7EEDA; color: #7A5A21; border: 1px solid #C9A25A; }

.tpl-thumb-bold{ background: linear-gradient(135deg, #171B2E, #33265B 60%, #FF7A59); }
.tpl-thumb-bold .tpl-thumb-title{ color: #fff; }
.tpl-thumb-bold .tpl-thumb-line{ background: rgba(255,255,255,0.3); }
.tpl-thumb-bold .tpl-thumb-total{ background: #fff; color: #FF7A59; }

/* ---------------------------------------------------------------------
   Steps ("how it works")
   --------------------------------------------------------------------- */
.steps{
  list-style: none;
  margin: 0 0 44px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: left;
}
.step{
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(var(--blur-amt)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-amt)) saturate(180%);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-glass);
}
.step-num{
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.35;
  margin-bottom: 10px;
}
.step h3{ font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step p{ font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.55; }

.how-cta{ display: flex; justify-content: center; }

/* ---------------------------------------------------------------------
   FAQ accordion (pure CSS collapse — no inline styles)
   --------------------------------------------------------------------- */
.faq-list{ display: flex; flex-direction: column; gap: 12px; text-align: left; }
.faq-item{ padding: 4px 6px; overflow: hidden; }
.faq-question{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: none;
  border: none;
  padding: 16px 14px;
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
}
.faq-question:focus-visible{ outline: 2px solid var(--color-accent); border-radius: 8px; }
.faq-chevron{ flex-shrink: 0; color: var(--color-text-faint); transition: transform .25s ease; }
.faq-item.is-open .faq-chevron{ transform: rotate(180deg); color: var(--color-accent); }

.faq-answer{
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .28s ease;
}
.faq-answer p{
  overflow: hidden;
  min-height: 0;
  padding: 0 14px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}
.faq-item.is-open .faq-answer{ grid-template-rows: 1fr; }
.faq-item.is-open .faq-answer p{ padding: 0 14px 18px; }

/* ---------------------------------------------------------------------
   Final CTA
   --------------------------------------------------------------------- */
.final-cta{ padding: 0 28px 100px; }
.final-cta-inner{
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 56px 40px;
  background: linear-gradient(135deg, rgba(79,70,229,0.92), rgba(61,52,201,0.92));
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
}
.final-cta-inner h2{ font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 12px; }
.final-cta-inner p{ font-size: 0.96rem; color: rgba(255,255,255,0.85); margin-bottom: 26px; }
.final-cta-inner .btn-primary{ background: #fff; color: var(--color-accent-dark); box-shadow: 0 14px 30px rgba(0,0,0,0.2); }
.final-cta-inner .btn-primary:hover{ background: #F4F4FF; }

/* ---------------------------------------------------------------------
   Footer
   --------------------------------------------------------------------- */
.site-footer{ padding: 40px 28px 30px; text-align: center; }
.footer-inner{
  max-width: 900px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  text-align: left;
}
.footer-brand{ display: flex; align-items: center; gap: 12px; }
.footer-logo{ border-radius: 8px; }
.footer-brand-name{ font-family: var(--font-display); font-weight: 800; font-size: 0.95rem; }
.footer-brand-tag{ font-size: 0.8rem; color: var(--color-text-secondary); margin-top: 2px; }
.footer-copy{ font-size: 0.76rem; color: var(--color-text-faint); }

/* ---------------------------------------------------------------------
   Responsive
   --------------------------------------------------------------------- */
@media (max-width: 980px){
  .feature-grid{ grid-template-columns: repeat(2, 1fr); }
  .template-showcase{ grid-template-columns: repeat(2, 1fr); }
  .steps{ grid-template-columns: repeat(2, 1fr); }
  .site-nav{ display: none; }
}

@media (max-width: 620px){
  .header-inner{ padding: 10px 14px; }
  .btn-nav-cta span{ display: none; }
  .hero{ padding: 50px 18px 20px; }
  .section{ padding: 56px 18px; }
  .feature-grid, .template-showcase, .steps{ grid-template-columns: 1fr; }
  .footer-inner{ flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
  html{ scroll-behavior: auto; }
}