/* ============================================================
   PhotoPrintSolutions — styles
   Mobile-first, no frameworks, system font stack.
   ============================================================ */

:root {
  --blue-900: #1e3a8a;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;
  --ink:      #0f172a;
  --slate:    #475569;
  --muted:    #64748b;
  --line:     #e2e8f0;
  --white:    #ffffff;
  --radius:   14px;
  --shadow:   0 10px 30px rgba(15, 23, 42, 0.08);
  --header-h: 68px;
  --max-w:    1100px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
           Arial, "Noto Sans", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 0.6rem; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.15rem; }
p  { margin: 0 0 1rem; }

a { color: var(--blue-700); }
a:hover { color: var(--blue-900); }

.container { width: min(100% - 2.5rem, var(--max-w)); margin-inline: auto; }
.container.narrow { width: min(100% - 2.5rem, 760px); }

.section { padding: 4.5rem 0; }
.section-alt { background: var(--blue-50); }
.section-sub { color: var(--slate); font-size: 1.1rem; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue-700);
  margin-bottom: 0.75rem;
}
.eyebrow-light { color: var(--blue-100); }

.lead { font-size: 1.15rem; color: var(--slate); }

/* ---------- Accessibility helpers ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--blue-700); color: #fff;
  padding: 0.75rem 1.25rem; z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 10px;
  padding: 0.7rem 1.4rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-lg { padding: 0.9rem 1.8rem; font-size: 1.05rem; }
.btn-block { display: block; width: 100%; }

.btn-primary { background: var(--blue-700); color: #fff; }
.btn-primary:hover { background: var(--blue-900); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }

.btn-secondary { background: #fff; color: var(--blue-700); border-color: var(--blue-100); }
.btn-secondary:hover { border-color: var(--blue-700); color: var(--blue-900); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h);
}
.logo {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-weight: 800; font-size: 1.1rem; color: var(--ink); text-decoration: none;
}
.logo-mark { width: 32px; height: 32px; }

.nav-menu { display: flex; align-items: center; gap: 1.5rem; }
.nav-menu a:not(.btn) { color: var(--slate); text-decoration: none; font-weight: 600; }
.nav-menu a:not(.btn):hover { color: var(--blue-700); }

.nav-toggle {
  display: none;
  background: none; border: 0; cursor: pointer; padding: 0.5rem;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--ink);
  margin: 5px 0; border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 767px) {
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 0.5rem 1.25rem 1.25rem;
    display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a:not(.btn) { padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
  .nav-menu .nav-cta { margin-top: 1rem; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero { padding: 4rem 0 4.5rem; background: linear-gradient(180deg, var(--blue-50) 0%, #fff 100%); }
.hero-grid { display: grid; gap: 2.5rem; align-items: center; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin: 1.6rem 0 1rem; }
.hero-note { color: var(--muted); font-size: 0.95rem; margin: 0; }
.hero-visual img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Steps ---------- */
.steps { display: grid; gap: 1.5rem; margin-top: 2.5rem; }
.step {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow);
}
.step-number {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--blue-700); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.2rem; margin-bottom: 1rem;
}
@media (min-width: 800px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; gap: 1.5rem; margin-top: 2.5rem; }
.price-card {
  position: relative;
  background: #fff; border: 2px solid var(--line);
  border-radius: var(--radius); padding: 2rem;
  display: flex; flex-direction: column;
}
.price-card-featured { border-color: var(--blue-700); box-shadow: var(--shadow); }
.badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--blue-700); color: #fff;
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  padding: 0.3rem 0.9rem; border-radius: 999px; margin: 0; white-space: nowrap;
}
.price { font-size: 2.75rem; font-weight: 800; margin: 0.5rem 0 0; letter-spacing: -0.02em; }
.price .currency { font-size: 1.4rem; vertical-align: top; }
.price-term { color: var(--muted); font-size: 0.95rem; }
.price-card ul { list-style: none; padding: 0; margin: 1.25rem 0 1.75rem; flex: 1; }
.price-card li { padding: 0.45rem 0 0.45rem 1.75rem; position: relative; color: var(--slate); }
.price-card li::before {
  content: "✓"; position: absolute; left: 0;
  color: var(--blue-700); font-weight: 800;
}
.pricing-note { text-align: center; color: var(--muted); margin-top: 1.75rem; }
@media (min-width: 800px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); max-width: 860px; margin-inline: auto; }
}

/* ---------- Guarantee ---------- */
.section-guarantee { background: var(--blue-900); color: #fff; text-align: center; }
.section-guarantee .lead { color: var(--blue-100); margin-bottom: 0; }

/* ---------- Privacy ---------- */
.privacy-grid { display: grid; gap: 1.5rem; margin-top: 2.5rem; }
.privacy-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow);
}
.privacy-card h3 { color: var(--blue-900); }
.privacy-card p { color: var(--slate); margin-bottom: 0; }
@media (min-width: 800px) {
  .privacy-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- FAQ accordion ---------- */
.accordion { margin-top: 2rem; border-top: 1px solid var(--line); }
.accordion-item { border-bottom: 1px solid var(--line); }
.accordion-item h3 { margin: 0; font-size: 1.05rem; }
.accordion-toggle {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  background: none; border: 0; cursor: pointer; text-align: left;
  padding: 1.25rem 0; font-family: inherit; font-size: inherit; font-weight: 700; color: var(--ink);
}
.accordion-toggle:hover { color: var(--blue-700); }
.accordion-icon { position: relative; flex: 0 0 20px; width: 20px; height: 20px; }
.accordion-icon::before, .accordion-icon::after {
  content: ""; position: absolute; background: var(--blue-700); border-radius: 2px;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.accordion-icon::before { width: 16px; height: 2px; }
.accordion-icon::after { width: 2px; height: 16px; transition: transform 0.2s ease; }
.accordion-toggle[aria-expanded="true"] .accordion-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.accordion-panel p { color: var(--slate); padding-bottom: 1.25rem; margin: 0; }

/* ---------- Waitlist ---------- */
.section-waitlist { background: linear-gradient(135deg, var(--blue-900), var(--blue-700)); color: #fff; text-align: center; }
.section-waitlist .lead { color: var(--blue-100); }
.waitlist-form {
  display: flex; flex-direction: column; gap: 0.75rem;
  max-width: 480px; margin: 1.75rem auto 0;
}
.waitlist-form input[type="email"] {
  padding: 0.9rem 1.1rem; font-size: 1rem; font-family: inherit;
  border: 2px solid transparent; border-radius: 10px; width: 100%;
}
.waitlist-form input[type="email"]:focus { outline: 3px solid var(--blue-100); }
.form-message { min-height: 1.5rem; margin: 1rem 0 0; font-weight: 600; }
.form-message.success { color: #bbf7d0; }
.form-message.error { color: #fecaca; }
.form-note { color: var(--blue-100); font-size: 0.9rem; margin: 0.5rem 0 0; }
@media (min-width: 600px) {
  .waitlist-form { flex-direction: row; }
  .waitlist-form input[type="email"] { flex: 1; }
  .waitlist-form .btn { white-space: nowrap; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #cbd5e1; padding: 3rem 0 1.5rem; }
.footer-inner {
  display: grid; gap: 2rem;
  padding-bottom: 2rem; border-bottom: 1px solid #1e293b;
}
.footer-brand .logo { color: #fff; margin-bottom: 0.75rem; }
.footer-brand p { margin: 0; font-size: 0.95rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-nav a { color: #cbd5e1; text-decoration: none; font-weight: 600; }
.footer-nav a:hover { color: #fff; }
.footer-contact p { margin: 0; }
.footer-contact a { color: #fff; }
.footer-bottom { padding-top: 1.5rem; }
.footer-bottom p { margin: 0; font-size: 0.9rem; color: #94a3b8; }
@media (min-width: 800px) {
  .footer-inner { grid-template-columns: 1.2fr 1fr 1fr; align-items: start; }
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .accordion-panel { transition: none; }
}