/* =========================================================
   FaxDoc — Global Stylesheet  (Crimson Clean)
   ========================================================= */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red:      #E53935;
  --red-light:#FF5252;
  --red-pale: #FFEBEE;
  --dark:     #0D0D0D;
  --mid:      #444444;
  --muted:    #888888;
  --bg:       #FFFFFF;
  --bg2:      #F8F9FA;
  --card:     #F1F3F5;
  --border:   #E9ECEF;
  --radius:   14px;
  --radius-sm:8px;
  --shadow:   0 4px 24px rgba(0,0,0,.08);
  --shadow-lg:0 12px 48px rgba(229,57,53,.15);
  --font:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --trans:    .25s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--dark);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { color: var(--red); text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--red-light); }

/* ---------- Typography ---------- */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); font-weight: 700; line-height: 1.2; letter-spacing: -.01em; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; }
p  { color: var(--mid); }

/* ---------- Utilities ---------- */
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.section    { padding: 96px 0; }
.section--alt { background: var(--bg2); }
.text-red   { color: var(--red); }
.text-center{ text-align: center; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--red-pale); color: var(--red);
  font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 99px; margin-bottom: 16px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 99px;
  font-size: 1rem; font-weight: 600; cursor: pointer;
  border: none; transition: all var(--trans);
  text-decoration: none;
}
.btn-primary {
  background: var(--red); color: #fff;
  box-shadow: 0 4px 18px rgba(229,57,53,.35);
}
.btn-primary:hover {
  background: var(--red-light); color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(229,57,53,.45);
}
.btn-outline {
  background: transparent; color: var(--red);
  border: 2px solid var(--red);
}
.btn-outline:hover {
  background: var(--red); color: #fff;
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 20px; font-size: .9rem; }

/* ---------- Header / Nav ---------- */
.header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.nav__logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 800; color: var(--dark); text-decoration: none;
}
.nav__logo img { width: 36px; height: 36px; border-radius: 8px; }
.nav__links {
  display: flex; align-items: center; gap: 32px; list-style: none;
}
.nav__links a { color: var(--mid); font-size: .95rem; font-weight: 500; }
.nav__links a:hover { color: var(--red); }
.nav__cta { margin-left: 24px; }
.nav__burger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 4px;
}
.nav__burger span {
  width: 24px; height: 2px; background: var(--dark);
  border-radius: 2px; transition: all var(--trans);
}
.mobile-menu {
  display: none; flex-direction: column;
  background: var(--bg); border-bottom: 1px solid var(--border);
  padding: 16px 20px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--mid); font-size: 1rem; font-weight: 500;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--red); }

/* ---------- Hero ---------- */
.hero {
  padding: 80px 0 64px;
  background: linear-gradient(160deg, #fff 60%, #FFF5F5 100%);
  overflow: hidden;
}
.hero__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 64px;
}
.hero__subtitle {
  font-size: 1.1rem; color: var(--mid); margin: 20px 0 36px;
  max-width: 480px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero__store-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #000; color: #fff; border-radius: 12px;
  padding: 10px 18px; font-size: .9rem; font-weight: 500;
  transition: all var(--trans);
}
.hero__store-badge:hover { background: #222; color: #fff; transform: translateY(-2px); }
.hero__store-badge svg { width: 20px; height: 20px; }
.hero__image {
  display: flex; justify-content: center; align-items: center;
  position: relative;
}
.hero__phone-wrap {
  position: relative; width: 260px;
}
.hero__phone-wrap::before {
  content: '';
  position: absolute; inset: -30px;
  background: radial-gradient(circle, rgba(229,57,53,.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 3s ease-in-out infinite;
}
.hero__icon {
  width: 220px; height: 220px;
  border-radius: 48px;
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: .7; }
}

/* ---------- Features / How It Works ---------- */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px; margin-top: 56px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--trans);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(229,57,53,.3);
}
.feature-card__icon {
  width: 52px; height: 52px;
  background: var(--red-pale);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 1.5rem;
}
.feature-card h3 { margin-bottom: 8px; color: var(--dark); }
.feature-card p  { font-size: .95rem; }

/* ---------- How It Works ---------- */
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin-top: 56px;
  counter-reset: steps;
}
.step {
  text-align: center; padding: 32px 20px;
  background: var(--bg); border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--trans);
}
.step:hover { border-color: var(--red); box-shadow: var(--shadow); }
.step__num {
  width: 52px; height: 52px;
  background: var(--red); color: #fff;
  font-size: 1.25rem; font-weight: 800;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
.step h3 { margin-bottom: 8px; }
.step p  { font-size: .9rem; }

/* ---------- App Screenshots ---------- */
.screenshots {
  display: flex; gap: 24px;
  justify-content: center; flex-wrap: wrap;
  margin-top: 56px;
}
.screenshot-frame {
  background: var(--card);
  border-radius: 24px;
  padding: 12px;
  box-shadow: var(--shadow);
  transition: all var(--trans);
  max-width: 200px;
}
.screenshot-frame:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.screenshot-frame img { border-radius: 16px; width: 100%; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--red) 0%, #FF5252 100%);
  border-radius: var(--radius);
  padding: 64px 48px;
  text-align: center;
  margin: 96px 0;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.cta-banner h2 { color: #fff; margin-bottom: 12px; }
.cta-banner p  { color: rgba(255,255,255,.85); margin-bottom: 32px; font-size: 1.1rem; }
.btn-white {
  background: #fff; color: var(--red);
  font-weight: 700;
}
.btn-white:hover {
  background: #f5f5f5; color: var(--red);
  transform: translateY(-2px);
}

/* ---------- Blog Cards ---------- */
.blog-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 28px; margin-top: 56px;
}
.blog-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: all var(--trans);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.blog-card__thumb {
  height: 180px;
  background: linear-gradient(135deg, var(--red-pale) 0%, #FFE0E0 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
}
.blog-card__body { padding: 24px; }
.blog-card__tag {
  font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--red); margin-bottom: 8px;
}
.blog-card__body h3 { font-size: 1.05rem; color: var(--dark); margin-bottom: 8px; line-height: 1.4; }
.blog-card__body p  { font-size: .88rem; }
.blog-card__footer {
  padding: 0 24px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.coming-soon-badge {
  background: var(--card); color: var(--muted);
  font-size: .75rem; font-weight: 600;
  padding: 4px 10px; border-radius: 99px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--dark); color: rgba(255,255,255,.7);
  padding: 64px 0 32px;
}
.footer__top {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer__brand { max-width: 320px; }
.footer__logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.2rem; font-weight: 800; color: #fff;
  text-decoration: none; margin-bottom: 16px;
}
.footer__logo img { width: 36px; height: 36px; border-radius: 8px; }
.footer__desc { font-size: .9rem; line-height: 1.7; }
.footer__col h4 { color: #fff; font-size: .85rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.footer__col ul { list-style: none; }
.footer__col ul li { margin-bottom: 10px; }
.footer__col ul a { color: rgba(255,255,255,.6); font-size: .9rem; }
.footer__col ul a:hover { color: var(--red-light); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 28px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: .85rem;
}
.footer__bottom a { color: rgba(255,255,255,.5); }
.footer__bottom a:hover { color: var(--red-light); }

/* ---------- Inner Pages ---------- */
.page-hero {
  background: linear-gradient(160deg, #fff 60%, #FFF5F5 100%);
  padding: 80px 0 64px; text-align: center;
}
.page-hero h1 { margin-bottom: 16px; }
.page-hero p  { font-size: 1.1rem; max-width: 560px; margin: 0 auto; }
.content-section { padding: 64px 0; }
.prose { max-width: 780px; margin: 0 auto; }
.prose h2 { font-size: 1.4rem; margin: 40px 0 12px; color: var(--dark); }
.prose h3 { font-size: 1.1rem; margin: 28px 0 8px; color: var(--dark); }
.prose p  { margin-bottom: 16px; font-size: 1rem; }
.prose ul, .prose ol { margin: 12px 0 20px 24px; }
.prose li { margin-bottom: 8px; color: var(--mid); font-size: 1rem; }
.prose a  { color: var(--red); }
.prose strong { color: var(--dark); }
.effective-date {
  font-size: .85rem; color: var(--muted); margin-bottom: 32px;
}

/* ---------- Support Page ---------- */
.support-grid {
  display: grid; grid-template-columns: repeat(2,1fr);
  gap: 28px; margin-top: 40px;
}
.support-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: all var(--trans);
}
.support-card:hover { border-color: var(--red); box-shadow: var(--shadow); }
.support-card__icon { font-size: 2rem; margin-bottom: 16px; }
.support-card h3 { margin-bottom: 8px; }
.support-form { max-width: 640px; margin: 48px auto 0; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .9rem; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem; font-family: var(--font);
  color: var(--dark); background: var(--bg);
  transition: border-color var(--trans);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--red); }
.form-group textarea { height: 140px; resize: vertical; }

/* ---------- Blog Page ---------- */
.blog-header { text-align: center; margin-bottom: 16px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .features__grid { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: repeat(2,1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; max-width: 100%; }
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__actions { justify-content: center; }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__image { order: -1; }
  .blog-grid { grid-template-columns: repeat(2,1fr); }
  .support-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .features__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__brand { grid-column: span 1; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .cta-banner { padding: 40px 24px; }
  .hero__icon { width: 160px; height: 160px; }
  .hero__phone-wrap { width: 180px; }
  .screenshots { gap: 12px; }
  .screenshot-frame { max-width: 140px; }
}