/* ==========================================================================
   Cap Agency — Design system
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;

  --color-bg: #ffffff;
  --color-bg-alt: #fbfbfd;
  --color-text: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-accent: #0071e3;
  --color-accent-dark: #0058b0;

  --color-dark-bg: #0a2540;
  --color-dark-text: #f5f7fa;
  --color-dark-text-secondary: #a9b7c6;

  --color-border: rgba(0, 0, 0, 0.1);
  --color-border-dark: rgba(255, 255, 255, 0.12);

  --content-max: 1120px;
  --radius-card: 18px;
  --radius-pill: 980px;

  --section-padding: 140px;
  --section-padding-mobile: 80px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- Reset ---- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

ul, ol { list-style: none; margin: 0; padding: 0; }

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

h1, h2, h3, p { margin: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  z-index: 1000;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

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

/* ---- Scroll progress bar ---- */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 200;
  pointer-events: none;
}

/* ---- Typography ---- */

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
}

h2 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  margin-bottom: 48px;
  max-width: 20ch;
}

h3 {
  font-size: 1.375rem;
  letter-spacing: -0.01em;
}

p {
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.eyebrow {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}

/* ---- Layout ---- */

.wrap {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-padding-mobile) 0;
}

@media (min-width: 1024px) {
  .section { padding: var(--section-padding) 0; }
}

.section-dark {
  background: var(--color-dark-bg);
  color: var(--color-dark-text);
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-dark-text);
}

.section-dark p {
  color: var(--color-dark-text-secondary);
}

#offre, #tarifs { background: var(--color-bg); }

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 500;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), opacity 0.2s var(--ease);
  min-height: 44px;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-dark);
}

.btn-small {
  padding: 10px 22px;
  font-size: 0.9375rem;
}

.btn-link {
  color: var(--color-accent);
  padding: 14px 6px;
  font-weight: 500;
}

.section-dark .btn-link {
  color: #6cb2ff;
}

.btn-link:hover {
  opacity: 0.75;
}

.btn-link span {
  transition: transform 0.2s var(--ease);
  display: inline-block;
}

.btn-link:hover span {
  transform: translateX(3px);
}

/* ---- Header ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s var(--ease), background-color 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 12px 24px -18px rgba(0, 0, 0, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}

.logo-mark {
  color: var(--color-accent);
}

.main-nav ul {
  display: flex;
  gap: 36px;
}

.main-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color 0.2s var(--ease);
}

.main-nav a:hover {
  color: var(--color-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  margin: 0 auto;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.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);
}

.mobile-nav {
  border-top: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.95);
}

.mobile-nav ul {
  padding: 8px 24px 20px;
}

.mobile-nav a {
  display: block;
  padding: 14px 0;
  font-size: 1.0625rem;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 767px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
}

@media (min-width: 768px) {
  .mobile-nav { display: none !important; }
}

/* ---- Hero ---- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 120px;
  text-align: center;
  background: var(--color-bg-alt);
}

@media (min-width: 1024px) {
  .hero { padding: 160px 0 140px; }
}

.hero .wrap {
  position: relative;
  z-index: 1;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.35;
  pointer-events: none;
  will-change: transform;
}

.hero-glow-1 {
  top: -120px;
  left: 8%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.55), transparent 70%);
  animation: drift-1 16s var(--ease) infinite;
}

.hero-glow-2 {
  bottom: -160px;
  right: 6%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(10, 37, 64, 0.35), transparent 70%);
  animation: drift-2 20s var(--ease) infinite;
}

@keyframes drift-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.1); }
}

@keyframes drift-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, -25px) scale(1.08); }
}

.hero h1 {
  max-width: 16ch;
  margin: 0 auto 28px;
}

.line-mask {
  display: block;
  overflow: hidden;
}

.line-inner {
  display: block;
  transform: translateY(110%);
  animation: line-up 0.9s var(--ease) 0.05s forwards;
}

@keyframes line-up {
  to { transform: translateY(0); }
}

.hero-sub {
  max-width: 52ch;
  margin: 0 auto;
  font-size: 1.1875rem;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* ---- Cards (Offre) ---- */

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .cards-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

.card {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 40px;
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  will-change: transform;
}

.card:hover {
  box-shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.18);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(0, 113, 227, 0.1), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}

.card:hover::before {
  opacity: 1;
}

.card > * {
  position: relative;
}

.card-index {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.card h3 {
  margin-bottom: 12px;
}

/* ---- Card visuals (Offre) ---- */

.card-visual {
  margin: 0 0 28px;
}

.card-visual-svg {
  display: block;
  width: 100%;
  height: auto;
}

.v-frame {
  stroke: var(--color-border);
  stroke-width: 1.5;
  fill: none;
}

.v-dot {
  fill: var(--color-text-secondary);
  opacity: 0.45;
}

.v-block {
  opacity: 0;
}

.v-block-hero {
  fill: var(--color-bg);
  stroke: var(--color-border);
  stroke-width: 1.5;
}

.v-block-line-1,
.v-block-line-2 {
  fill: var(--color-border);
}

.v-block-cta {
  fill: var(--color-accent);
}

.v-grid {
  stroke: var(--color-border);
  stroke-width: 1;
}

.v-pin,
.v-pin-hole,
.v-listing,
.v-listing-photo,
.v-listing-line {
  opacity: 0;
}

.v-pin {
  fill: var(--color-accent);
  transform-origin: 100px 36px;
}

.v-pin-hole {
  fill: var(--color-bg-alt);
}

.v-listing {
  fill: var(--color-bg);
  stroke: var(--color-border);
  stroke-width: 1.5;
}

.v-listing-photo,
.v-listing-line {
  fill: var(--color-border);
}

@keyframes v-rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes v-drop {
  0% { opacity: 0; transform: translateY(-16px); }
  60% { opacity: 1; transform: translateY(3px); }
  100% { opacity: 1; transform: translateY(0); }
}

.card.is-visible .v-block-hero { animation: v-rise 0.5s var(--ease) 0.05s forwards; }
.card.is-visible .v-block-line-1 { animation: v-rise 0.5s var(--ease) 0.18s forwards; }
.card.is-visible .v-block-line-2 { animation: v-rise 0.5s var(--ease) 0.26s forwards; }
.card.is-visible .v-block-cta { animation: v-rise 0.5s var(--ease) 0.36s forwards; }

.card.is-visible .v-pin { animation: v-drop 0.5s var(--ease) 0.1s forwards; }
.card.is-visible .v-pin-hole { animation: v-rise 0.3s var(--ease) 0.4s forwards; }
.card.is-visible .v-listing { animation: v-rise 0.5s var(--ease) 0.32s forwards; }
.card.is-visible .v-listing-photo { animation: v-rise 0.4s var(--ease) 0.46s forwards; }
.card.is-visible .v-listing-line-1 { animation: v-rise 0.4s var(--ease) 0.52s forwards; }
.card.is-visible .v-listing-line-2 { animation: v-rise 0.4s var(--ease) 0.58s forwards; }

/* ---- Steps (Méthode) — panneaux façon BD ---- */

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 32px; }
}

.step {
  position: relative;
}

.step-visual {
  position: relative;
  width: 84px;
  height: 84px;
  border-radius: 22px;
  border: 1px solid var(--color-border-dark);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.step-icon {
  width: 38px;
  height: 38px;
  color: var(--color-dark-text-secondary);
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.v-bubble-2 rect {
  fill: var(--color-accent);
  fill-opacity: 0.14;
}

.v-layer-1 {
  fill: var(--color-accent);
  fill-opacity: 0.18;
  stroke: none;
}

.v-cursor {
  fill: var(--color-accent);
  stroke: none;
}

.v-globe-lines {
  stroke-width: 1.5;
}

.v-pulse {
  stroke: var(--color-accent);
  opacity: 0;
  transform-origin: 32px 34px;
}

.step-number {
  position: absolute;
  bottom: -10px;
  right: -10px;
  z-index: 1;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid var(--color-dark-bg);
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.8125rem;
}

.step h3 {
  margin-bottom: 8px;
}

.step-connector {
  display: none;
}

@media (min-width: 768px) {
  .step-connector {
    display: block;
    position: absolute;
    top: 42px;
    left: 100%;
    width: 32px;
    height: 1px;
    background: var(--color-border-dark);
    transform: scaleX(0);
    transform-origin: 0 50%;
    transition: transform 0.6s var(--ease) 0.15s;
  }

  .step-connector::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -1px;
    width: 0;
    height: 0;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    border-left: 5px solid var(--color-border-dark);
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.3s var(--ease) 0.55s;
  }

  .step.is-visible .step-connector {
    transform: scaleX(1);
  }

  .step.is-visible .step-connector::after {
    opacity: 1;
  }

  .step:last-child .step-connector {
    display: none;
  }
}

@media (max-width: 767px) {
  .step:not(:last-child) {
    padding-bottom: 8px;
  }

  .step:not(:last-child)::before {
    content: "";
    position: absolute;
    left: 41px;
    top: 84px;
    width: 2px;
    height: 30px;
    background: var(--color-border-dark);
  }

  .step:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 36px;
    top: 108px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--color-border-dark);
  }
}

.step.is-visible .v-pulse {
  animation: pulse-ring 1.6s var(--ease) 0.4s 2;
}

@keyframes pulse-ring {
  0% { opacity: 0.7; transform: scale(0.9); }
  100% { opacity: 0; transform: scale(1.35); }
}

/* ---- Pricing ---- */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .pricing-grid { grid-template-columns: 1.15fr 1fr; gap: 28px; align-items: stretch; }
}

.pricing-grid.pricing-grid-single {
  max-width: 640px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .pricing-grid.pricing-grid-single {
    grid-template-columns: 1fr;
  }
}

.pricing-card {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  will-change: transform;
}

.pricing-card:hover {
  box-shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.18);
}

.pricing-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(0, 113, 227, 0.1), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}

.pricing-card:hover::before {
  opacity: 1;
}

.pricing-card > * {
  position: relative;
}

.pricing-card.featured {
  background: var(--color-bg);
  border: 1px solid var(--color-accent);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.pricing-card.featured:hover {
  box-shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.18);
}

.pricing-card h3 {
  margin-bottom: 4px;
}

.price {
  font-size: 1.375rem;
  color: var(--color-text);
}

.price strong {
  color: var(--color-accent);
}

.pricing-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 8px 0;
}

.pricing-list li {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  padding-left: 24px;
  position: relative;
}

.pricing-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.pricing-option,
.pricing-option-label {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.pricing-option strong {
  color: var(--color-text);
}

.pricing-card .btn {
  margin-top: 8px;
  align-self: flex-start;
}

/* ---- Contact ---- */

.contact-intro {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.contact-sub {
  max-width: 40ch;
  margin: 20px auto 0;
  font-size: 1.125rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-top: 56px;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-self: center;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--color-border-dark);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.contact-item:hover {
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.06);
}

.contact-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--color-border-dark);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-item-label {
  font-size: 0.8125rem;
  color: var(--color-dark-text-secondary);
}

.contact-item-value {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-dark-text);
}

/* ---- Contact form ---- */

.contact-form {
  display: flex;
  flex-direction: column;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-field label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-dark-text-secondary);
}

.form-field input,
.form-field textarea {
  font: inherit;
  font-size: 1rem;
  color: var(--color-dark-text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border-dark);
  border-radius: 12px;
  padding: 12px 16px;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.08);
}

.contact-form .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.form-status {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-dark-text);
}

.form-status.is-success {
  background: rgba(0, 113, 227, 0.12);
  border: 1px solid rgba(0, 113, 227, 0.3);
}

.form-status.is-error {
  background: rgba(255, 69, 58, 0.12);
  border: 1px solid rgba(255, 69, 58, 0.3);
}

/* ---- Footer ---- */

.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a:hover {
  color: var(--color-accent);
}

/* ---- Scroll reveal ---- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-glow {
    animation: none;
  }

  .line-inner {
    transform: none;
    animation: none;
  }

  .card,
  .pricing-card,
  .btn {
    transition: none;
  }

  .step-connector,
  .step-connector::after {
    transition: none;
    transform: none;
    opacity: 1;
  }

  .v-block,
  .v-pin,
  .v-pin-hole,
  .v-listing,
  .v-listing-photo,
  .v-listing-line {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .v-pulse {
    animation: none;
    opacity: 0;
  }
}