/* ════════════════════════════════════════════════════════════════
   Kit Print Pro — Landing Apple-style
   Mobile-first, espacement généreux, typographie large
   ════════════════════════════════════════════════════════════════ */

:root {
  --rouge: #E8312A;
  --rouge-d: #C9261F;
  --marine: #2B3A5C;
  --marine-d: #1A2540;
  --ink: #1d1d1f;
  --ink-2: #424245;
  --gray-100: #f5f5f7;
  --gray-200: #d2d2d7;
  --gray-300: #86868b;
  --white: #ffffff;
  --green: #30d158;
  --amber: #ff9f0a;
  --max-w: 1200px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 24px 60px rgba(0,0,0,0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.5;
  font-size: 17px;
  font-weight: 400;
}

img { max-width: 100%; display: block; }
a { color: var(--rouge); text-decoration: none; transition: opacity .15s ease; }
a:hover { opacity: 0.7; }
button { font-family: inherit; cursor: pointer; }

/* ─────────────── Container ─────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 22px; }
@media (min-width: 768px) { .container { padding: 0 40px; } }

/* ─────────────── Navbar (style Apple top) ─────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--gray-200);
  height: 56px;
  display: flex; align-items: center;
}
.nav-inner {
  width: 100%; max-width: var(--max-w); margin: 0 auto;
  padding: 0 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
@media (min-width: 768px) { .nav-inner { padding: 0 40px; } }
.nav-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); font-size: 17px; }
.nav-brand img { height: 28px; width: auto; }
.nav-brand strong { color: var(--rouge); font-weight: 800; }
.nav-links { display: none; gap: 26px; align-items: center; }
@media (min-width: 900px) { .nav-links { display: flex; } }
.nav-links a { color: var(--ink-2); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--ink); opacity: 1; }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.btn-nav-login { color: var(--ink-2); font-size: 14px; font-weight: 500; padding: 7px 12px; }
.btn-nav-signup {
  background: var(--ink); color: white; font-size: 14px; font-weight: 600;
  padding: 7px 16px; border-radius: 980px; border: none; transition: background .15s;
}
.btn-nav-signup:hover { background: var(--ink-2); opacity: 1; }
.nav-burger { display: block; background: none; border: none; padding: 6px; }
.nav-burger svg { width: 22px; height: 22px; color: var(--ink); }
@media (min-width: 900px) { .nav-burger { display: none; } }

.nav-mobile {
  position: fixed; top: 56px; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
  padding: 30px 22px; z-index: 99;
  transform: translateX(100%); transition: transform .3s ease;
}
.nav-mobile.open { transform: translateX(0); }
.nav-mobile a { display: block; padding: 16px 0; font-size: 22px; font-weight: 500; color: var(--ink); border-bottom: 1px solid var(--gray-200); }

/* ─────────────── Hero (Apple-style) ─────────────── */
.hero {
  padding: 80px 0 100px;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #f5f5f7 100%);
}
.hero-tag {
  font-size: 13px; font-weight: 600; color: var(--rouge);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(40px, 7vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 20px;
  max-width: 900px; margin-left: auto; margin-right: auto;
}
.hero h1 em { color: var(--rouge); font-style: normal; }
.hero p {
  font-size: clamp(19px, 2.5vw, 24px);
  line-height: 1.4;
  color: var(--ink-2);
  max-width: 720px;
  margin: 0 auto 36px;
  font-weight: 400;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-mockup {
  margin-top: 60px;
  position: relative;
  max-width: 1100px; margin-left: auto; margin-right: auto;
  padding: 0 22px;
}
.hero-mockup-img {
  background: linear-gradient(135deg, #2B3A5C 0%, #1A2540 100%);
  border-radius: 16px;
  padding: 40px 30px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.hero-mockup-img::before {
  content: '';
  position: absolute; top: -50%; right: -20%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(232,49,42,0.4) 0%, transparent 70%);
  pointer-events: none;
}
.hero-mockup-content {
  background: white; border-radius: 12px; padding: 30px;
  display: grid; grid-template-columns: 1fr; gap: 16px;
  position: relative; z-index: 1;
}
@media (min-width: 768px) {
  .hero-mockup-content { grid-template-columns: 1fr 1fr 1fr; }
}
.mockup-card {
  background: var(--gray-100); border-radius: 8px; padding: 16px;
}
.mockup-card .label { font-size: 11px; color: var(--gray-300); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.mockup-card .value { font-size: 24px; font-weight: 800; color: var(--ink); margin-top: 4px; }
.mockup-card .sub { font-size: 12px; color: var(--ink-2); margin-top: 2px; }

/* ─────────────── Buttons ─────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 22px; border-radius: 980px;
  font-size: 16px; font-weight: 500;
  border: none; cursor: pointer;
  transition: all .15s ease;
  text-decoration: none;
  min-height: 44px;
}
.btn-primary { background: var(--ink); color: white; }
.btn-primary:hover { background: var(--ink-2); opacity: 1; }
.btn-rouge { background: var(--rouge); color: white; }
.btn-rouge:hover { background: var(--rouge-d); opacity: 1; }
.btn-outline {
  background: transparent; color: var(--ink); border: 1px solid var(--ink);
}
.btn-outline:hover { background: var(--ink); color: white; opacity: 1; }
.btn-text { background: transparent; color: var(--rouge); padding: 12px 0; }
.btn-text:after { content: ' →'; transition: transform .15s; display: inline-block; }
.btn-text:hover:after { transform: translateX(4px); }
.btn-large { padding: 16px 32px; font-size: 18px; min-height: 54px; }

/* ─────────────── Section générique ─────────────── */
.section { padding: 100px 0; }
@media (max-width: 600px) { .section { padding: 70px 0; } }
.section-tag {
  font-size: 13px; font-weight: 600; color: var(--rouge);
  text-transform: uppercase; letter-spacing: 0.08em; text-align: center;
  margin-bottom: 16px;
}
.section h2 {
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ink);
  text-align: center;
  margin-bottom: 16px;
  max-width: 800px; margin-left: auto; margin-right: auto;
}
.section .sub {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--ink-2); text-align: center;
  max-width: 640px; margin: 0 auto 60px;
  font-weight: 400; line-height: 1.5;
}

/* ─────────────── Features grid ─────────────── */
.features {
  display: grid; gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .features { grid-template-columns: 1fr 1fr; } }
.feature {
  background: var(--gray-100);
  border-radius: 22px;
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  min-height: 320px;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: transform .3s ease;
}
.feature:hover { transform: translateY(-4px); }
.feature.dark { background: linear-gradient(135deg, #2B3A5C 0%, #1A2540 100%); color: white; }
.feature.dark .feature-title, .feature.dark .feature-desc { color: white; }
.feature.dark .feature-icon { background: rgba(255,255,255,0.1); color: white; }
.feature-icon {
  width: 56px; height: 56px; border-radius: 16px;
  background: white; box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
}
.feature-title {
  font-size: 28px; font-weight: 700; line-height: 1.15;
  letter-spacing: -0.015em; color: var(--ink);
  margin-bottom: 12px;
}
.feature-desc { font-size: 16px; line-height: 1.5; color: var(--ink-2); }
.feature.large { grid-column: 1 / -1; min-height: 380px; }
@media (min-width: 768px) {
  .feature.large { grid-column: 1 / -1; }
}

/* ─────────────── Pricing ─────────────── */
.pricing-toggle {
  display: inline-flex; align-items: center; gap: 0;
  background: var(--gray-100); border-radius: 980px;
  padding: 4px;
  margin: 0 auto 50px; position: relative;
  font-size: 14px; font-weight: 600;
}
.pricing-toggle button {
  padding: 9px 22px; border-radius: 980px; border: none;
  background: transparent; color: var(--ink-2); cursor: pointer;
  transition: all .2s; min-width: 130px;
  position: relative; z-index: 1;
}
.pricing-toggle button.active { background: white; color: var(--ink); box-shadow: var(--shadow-sm); }
.pricing-toggle .save-badge {
  background: var(--rouge); color: white; font-size: 10px;
  padding: 2px 7px; border-radius: 10px; margin-left: 6px;
  vertical-align: middle; font-weight: 700;
}

.plans {
  display: grid; gap: 16px;
  grid-template-columns: 1fr;
  max-width: 1100px; margin: 0 auto;
}
@media (min-width: 768px) { .plans { grid-template-columns: 1fr 1fr 1fr; } }
.plan {
  background: white; border: 1px solid var(--gray-200);
  border-radius: 20px; padding: 36px 30px;
  display: flex; flex-direction: column;
  transition: all .25s ease;
  position: relative;
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.plan.featured {
  border: 2px solid var(--rouge);
  background: linear-gradient(180deg, #fff 0%, rgba(232,49,42,0.03) 100%);
}
.plan-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--rouge); color: white; font-size: 11px; font-weight: 700;
  padding: 5px 14px; border-radius: 20px; text-transform: uppercase; letter-spacing: 0.06em;
}
.plan-name { font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.plan-desc { font-size: 14px; color: var(--ink-2); margin-bottom: 24px; min-height: 40px; }
.plan-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.plan-price .amount { font-size: 44px; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; line-height: 1; }
.plan-price .currency { font-size: 16px; font-weight: 600; color: var(--ink-2); }
.plan-price-period { font-size: 14px; color: var(--ink-2); margin-bottom: 24px; }
.plan-price-yearly { font-size: 13px; color: var(--green); font-weight: 600; margin-bottom: 24px; display: none; }
.plan-features { list-style: none; padding: 0; margin: 0 0 30px; }
.plan-features li {
  font-size: 15px; color: var(--ink); padding: 8px 0;
  display: flex; align-items: flex-start; gap: 10px;
}
.plan-features li::before { content: '✓'; color: var(--green); font-weight: 800; flex-shrink: 0; }
.plan-features li.dim { color: var(--gray-300); }
.plan-features li.dim::before { content: '✕'; color: var(--gray-200); }
.plan-cta { margin-top: auto; }
.plan-cta .btn { width: 100%; }

/* ─────────────── Steps / How it works ─────────────── */
.steps { display: grid; gap: 30px; grid-template-columns: 1fr; max-width: 900px; margin: 0 auto; }
@media (min-width: 768px) { .steps { grid-template-columns: 1fr 1fr 1fr; } }
.step { text-align: center; }
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--rouge); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800;
  margin: 0 auto 18px;
}
.step h3 { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.step p { font-size: 16px; color: var(--ink-2); line-height: 1.5; }

/* ─────────────── FAQ ─────────────── */
.faq { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--gray-200);
  padding: 24px 0;
}
.faq-q {
  font-size: 19px; font-weight: 600; color: var(--ink);
  cursor: pointer; padding-right: 30px;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-q::after { content: '+'; font-size: 28px; font-weight: 300; color: var(--gray-300); transition: transform .2s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  font-size: 16px; color: var(--ink-2); line-height: 1.6;
  max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease;
  padding-right: 30px;
}
.faq-item.open .faq-a { max-height: 400px; padding-top: 12px; }

/* ─────────────── CTA Final ─────────────── */
.cta-final {
  background: linear-gradient(135deg, var(--marine) 0%, var(--marine-d) 100%);
  color: white;
  padding: 100px 0; text-align: center;
  position: relative; overflow: hidden;
}
.cta-final::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 30% 20%, rgba(232,49,42,0.3) 0%, transparent 50%);
  pointer-events: none;
}
.cta-final-inner { position: relative; z-index: 1; }
.cta-final h2 {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.1; letter-spacing: -0.02em;
  font-weight: 800; color: white; margin-bottom: 20px;
}
.cta-final p {
  font-size: clamp(17px, 2vw, 21px);
  color: rgba(255,255,255,0.85); margin-bottom: 36px;
  max-width: 600px; margin-left: auto; margin-right: auto;
}

/* ─────────────── Footer ─────────────── */
footer {
  background: var(--gray-100); padding: 60px 0 40px;
  font-size: 13px; color: var(--ink-2);
}
.footer-grid {
  display: grid; gap: 40px;
  grid-template-columns: 1fr;
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 22px 40px;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; padding: 0 40px 40px; }
}
.footer-brand { font-weight: 700; font-size: 16px; color: var(--ink); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.footer-brand img { height: 24px; }
.footer-tagline { color: var(--ink-2); margin-bottom: 14px; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-col a { display: block; padding: 4px 0; color: var(--ink-2); font-size: 13px; }
.footer-col a:hover { color: var(--ink); opacity: 1; }
.footer-bottom {
  border-top: 1px solid var(--gray-200);
  padding-top: 24px; margin-top: 40px;
  text-align: center; font-size: 12px; color: var(--gray-300);
  max-width: var(--max-w); margin-left: auto; margin-right: auto;
  padding-left: 22px; padding-right: 22px;
}

/* ─────────────── Animations on scroll ─────────────── */
.fade-up {
  opacity: 0; transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }