/* ========== Base tokens ========== */
:root {
  --primary: #2563EB;
  --secondary: #1E40AF;
  --accent: #F59E0B;
  --bg: #F8FAFC;
  --text: #1F2937;
  --muted: #64748B;
  --card: #FFFFFF;
  --border: #E5E7EB;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.04);
  --shadow-md: 0 10px 25px -10px rgba(37,99,235,.18), 0 4px 10px -4px rgba(15,23,42,.08);
  --shadow-lg: 0 25px 50px -12px rgba(30,64,175,.25);
  --grad: linear-gradient(135deg, var(--primary), var(--secondary));
  --grad-accent: linear-gradient(135deg, var(--accent), #F97316);
  --radius: 16px;
  --radius-lg: 24px;
  --nav-h: 72px;
  --container: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  font-family: 'Cairo', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
ul, ol { list-style: none; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container.narrow { max-width: 820px; }

/* ========== Typography ========== */
h1, h2, h3, h4 { font-weight: 800; line-height: 1.2; color: var(--text); letter-spacing: -.02em; }
h1 { font-size: clamp(2.25rem, 4.5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }
p  { color: #374151; }
.lead { font-size: 1.125rem; color: var(--muted); max-width: 560px; }

.eyebrow {
  display: inline-block;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(37,99,235,.08);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 12px;
  font-weight: 700;
  font-size: .95rem;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-md); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: #fff; }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost { background: #fff; color: var(--text); border: 2px solid var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-block { width: 100%; }

/* ========== Navbar ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: box-shadow .3s, border-color .3s, background .3s;
}
.navbar.scrolled { box-shadow: var(--shadow-sm); border-color: var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  background: var(--grad); color: #fff; border-radius: 10px; font-size: 20px; font-weight: 800;
  box-shadow: var(--shadow-md);
}
.brand-text { font-size: 1rem; font-weight: 500; }
.brand-text strong { font-weight: 800; }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link { color: var(--text); font-weight: 500; font-size: .95rem; position: relative; padding: 6px 2px; transition: color .2s; }
.nav-link:not(.btn-cta):hover, .nav-link.active { color: var(--primary); }
.nav-link:not(.btn-cta)::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px;
  background: var(--grad); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.nav-link:not(.btn-cta):hover::after, .nav-link.active::after { transform: scaleX(1); }
.btn-cta {
  background: var(--grad); color: #fff !important; padding: 10px 20px; border-radius: 10px;
  box-shadow: var(--shadow-md);
}
.btn-cta:hover { transform: translateY(-1px); }

.nav-toggle { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== Sections ========== */
.section { padding: 96px 0; position: relative; }
.section.alt { background: #fff; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head p { color: var(--muted); margin-top: 12px; }

/* ========== Hero ========== */
.hero {
  padding: calc(var(--nav-h) + 60px) 0 80px;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(circle at 15% 20%, rgba(37,99,235,.12), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(245,158,11,.10), transparent 40%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center;
}
.hero-copy h1 { margin-bottom: 20px; }
.hero-cta { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero-stats {
  margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  padding-top: 28px; border-top: 1px solid var(--border);
}
.hero-stats strong { display: block; font-size: 1.5rem; font-weight: 800; color: var(--secondary); }
.hero-stats span { font-size: .85rem; color: var(--muted); }
.hero-art { position: relative; }
.hero-art svg { filter: drop-shadow(0 30px 60px rgba(37,99,235,.2)); animation: float 6s ease-in-out infinite; }

@keyframes float { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-14px);} }

/* ========== About ========== */
.about-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 60px; align-items: center; }
.avatar-wrap { position: relative; max-width: 340px; margin: 0 auto; }
.avatar-wrap svg { border-radius: 50%; box-shadow: var(--shadow-lg); }
.avatar-badge {
  position: absolute; bottom: 10px; right: -10px;
  background: var(--grad-accent); color: #fff; padding: 8px 16px; border-radius: 999px;
  font-weight: 700; font-size: .85rem; box-shadow: var(--shadow-md);
}
.about-list { margin: 24px 0 32px; display: grid; gap: 12px; }
.about-list li {
  padding-left: 32px; position: relative; color: #374151;
}
.about-list li::before {
  content: '✓'; position: absolute; left: 0; top: 0;
  width: 22px; height: 22px; background: var(--grad); color: #fff; border-radius: 50%;
  display: grid; place-items: center; font-size: 12px; font-weight: 800;
}

/* ========== Cards grids ========== */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card {
  background: var(--card); border-radius: var(--radius-lg); padding: 32px;
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(37,99,235,.25); }

/* Pricing cards */
.price-card h3 { font-size: 1.25rem; color: var(--secondary); margin-bottom: 8px; }
.price { font-size: 3rem; font-weight: 800; color: var(--text); margin: 8px 0 24px; letter-spacing: -.03em; }
.price span { font-size: 1.25rem; vertical-align: super; color: var(--primary); font-weight: 700; }
.price small { font-size: .9rem; font-weight: 500; color: var(--muted); margin-left: 4px; }
.feature-list { display: grid; gap: 10px; margin-bottom: 28px; }
.feature-list li { padding-left: 26px; position: relative; color: #374151; }
.feature-list li::before {
  content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: 800;
}
.price-card.featured {
  background: linear-gradient(180deg, #fff, #EFF6FF);
  border-color: var(--primary);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.price-card.featured:hover { transform: translateY(-12px); }
.badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--grad-accent); color: #fff; font-size: .75rem; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase; padding: 6px 14px; border-radius: 999px;
  box-shadow: var(--shadow-md);
}

/* Feature cards */
.feature .icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: grid; place-items: center; font-size: 26px;
  background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(245,158,11,.12));
  margin-bottom: 18px;
}
.feature h3 { margin-bottom: 8px; color: var(--secondary); }
.feature p { color: var(--muted); }

/* Steps */
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step;
  position: relative;
}
.step {
  background: #fff; border-radius: var(--radius-lg); padding: 32px 24px;
  text-align: center; border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: transform .25s ease;
}
.step:hover { transform: translateY(-4px); }
.step-num {
  display: inline-grid; place-items: center; width: 52px; height: 52px;
  background: var(--grad); color: #fff; border-radius: 50%;
  font-weight: 800; font-size: 1.25rem; margin-bottom: 16px;
  box-shadow: var(--shadow-md);
}
.step h3 { margin-bottom: 6px; color: var(--secondary); }
.step p { color: var(--muted); font-size: .95rem; }

/* Testimonials */
.testimonial { display: flex; flex-direction: column; gap: 16px; }
.testimonial .stars { color: var(--accent); font-size: 1.125rem; letter-spacing: 3px; }
.testimonial blockquote { color: #374151; font-size: 1rem; line-height: 1.7; font-style: italic; }
.testimonial figcaption { display: flex; flex-direction: column; gap: 2px; padding-top: 8px; border-top: 1px solid var(--border); }
.testimonial figcaption strong { color: var(--secondary); }
.testimonial figcaption span { color: var(--muted); font-size: .875rem; }

/* Accordion */
.accordion { display: grid; gap: 12px; }
.acc-item {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 4px 20px; box-shadow: var(--shadow-sm); transition: border-color .2s, box-shadow .2s;
}
.acc-item[open] { border-color: var(--primary); box-shadow: var(--shadow-md); }
.acc-item summary {
  list-style: none; cursor: pointer; padding: 18px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-weight: 700; color: var(--text);
}
.acc-item summary::-webkit-details-marker { display: none; }
.acc-icon {
  width: 30px; height: 30px; border-radius: 50%; background: rgba(37,99,235,.1); color: var(--primary);
  display: grid; place-items: center; font-size: 20px; font-weight: 700; transition: transform .3s, background .3s;
  flex-shrink: 0;
}
.acc-item[open] .acc-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.acc-body { padding: 0 0 20px; color: var(--muted); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-list { margin-top: 28px; display: grid; gap: 14px; }
.contact-list li {
  display: flex; align-items: center; gap: 12px; color: #374151; font-weight: 500;
  padding: 12px 16px; background: rgba(255,255,255,.7); border-radius: 12px; border: 1px solid var(--border);
}
.contact-form { display: grid; gap: 18px; padding: 36px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .9rem; color: var(--text); }
.field input, .field textarea {
  font-family: inherit; font-size: .95rem; padding: 12px 14px;
  border: 1.5px solid var(--border); border-radius: 10px;
  background: #fff; color: var(--text); transition: border-color .2s, box-shadow .2s;
  width: 100%; resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}
.field.invalid input, .field.invalid textarea { border-color: #DC2626; }
.error { color: #DC2626; font-size: .8125rem; min-height: 1em; }
.form-success { color: #059669; font-weight: 600; text-align: center; }

/* Footer */
.footer { background: #0F172A; color: #CBD5E1; padding: 64px 0 24px; margin-top: 40px; }
.footer .brand { color: #fff; }
.footer h4 { color: #fff; margin-bottom: 16px; font-size: 1rem; }
.footer .muted { color: #94A3B8; margin-top: 12px; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08); }
.foot-links { display: grid; gap: 10px; }
.foot-links a { color: #CBD5E1; transition: color .2s; }
.foot-links a:hover { color: var(--accent); }
.socials { display: flex; gap: 10px; }
.socials a {
  width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.06);
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: .85rem;
  transition: background .2s, transform .2s;
}
.socials a:hover { background: var(--primary); transform: translateY(-2px); }
.foot-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding-top: 24px; flex-wrap: wrap; font-size: .875rem;
}

/* Back to top */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--grad); color: #fff; font-size: 20px; font-weight: 800;
  box-shadow: var(--shadow-lg);
  opacity: 0; transform: translateY(20px); transition: opacity .3s, transform .3s;
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-art svg { animation: none; }
  html { scroll-behavior: auto; }
}

/* ========== Responsive ========== */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-copy .eyebrow, .hero-cta, .hero-stats { justify-content: center; }
  .hero-cta { justify-content: center; }
  .hero-stats { max-width: 500px; margin-left: auto; margin-right: auto; }
  .lead { margin-left: auto; margin-right: auto; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .cards-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .section { padding: 72px 0; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch; gap: 4px;
    padding: 20px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md);
    transform: translateY(-120%); transition: transform .3s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { padding: 12px 8px; border-radius: 8px; }
  .nav-link:not(.btn-cta)::after { display: none; }
  .nav-link.btn-cta { text-align: center; margin-top: 6px; }
  .cards-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .price-card.featured { transform: none; }
  .price-card.featured:hover { transform: translateY(-4px); }
  .contact-form { padding: 24px; }
}

@media (max-width: 420px) {
  .hero-stats { grid-template-columns: 1fr; text-align: left; }
  .brand-text { display: none; }
}