/* ==========================================================================
   Cadence Studio, feuille de style unique
   ========================================================================== */

:root {
  --color-bg:        #100d0b;
  --color-bg-alt:    #181410;
  --color-ivory:     #f6f1e9;
  --color-ivory-dim: #cdc3b4;
  --color-line:      rgba(246, 241, 233, 0.14);
  --color-accent:    #c9682f;
  --color-accent-light: #e6935c;

  --font-display: "Fraunces", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --wrap: 1180px;
  --gap: clamp(1rem, 2.5vw, 2rem);
  --radius: 4px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: 700ms;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ivory);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.12;
  margin: 0;
}

p { margin: 0; }

a { color: inherit; }

button {
  font-family: inherit;
  cursor: pointer;
}

::selection {
  background: var(--color-accent);
  color: #100d0b;
}

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

/* ---------- layout helpers ---------- */

main section {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: clamp(1.25rem, 5vw, 2.5rem);
  padding-right: clamp(1.25rem, 5vw, 2.5rem);
}

.section-kicker {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  max-width: 34ch;
}

/* ---------- reveal-on-scroll (progressive enhancement) ---------- */

.has-js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.has-js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- topbar ---------- */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1rem, 3vw, 1.5rem) clamp(1.25rem, 5vw, 2.5rem);
  background: linear-gradient(to bottom, rgba(16,13,11,0.85), rgba(16,13,11,0));
  pointer-events: none;
}

.topbar__logo,
.topbar__cta {
  pointer-events: auto;
}

.topbar__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--color-ivory);
}

.topbar__logo span {
  color: var(--color-accent);
}

.topbar__cta {
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
  white-space: nowrap;
}

.topbar__cta:hover {
  border-color: var(--color-accent);
  background: rgba(201, 104, 47, 0.1);
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.9rem 1.75rem;
  border: 1px solid transparent;
  transition: transform 200ms var(--ease), background 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease);
}

.btn--primary {
  background: var(--color-accent);
  color: #150f0a;
}

.btn--primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-line);
  color: var(--color-ivory);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  max-width: none;
  padding-left: 0;
  padding-right: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(201,104,47,0.16), transparent 60%),
    linear-gradient(180deg, #171310 0%, #100d0b 70%);
}

.hero__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero__inner {
  position: relative;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 6.5rem clamp(1.25rem, 5vw, 2.5rem) 4rem;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 3.5rem);
}

.hero__content { min-width: 0; }

.hero__media { min-width: 0; }

.media-frame.media-frame--heroVideo {
  aspect-ratio: 4 / 3;
  border-radius: 50px;
}

.media-frame--heroVideo video,
.media-frame--heroVideo .media-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__kicker {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  max-width: 16ch;
  color: var(--color-ivory);
}

.hero__subtitle {
  margin-top: 1.5rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 46ch;
  color: var(--color-ivory-dim);
}

.hero__actions {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__scrollcue {
  position: absolute;
  left: 50%;
  bottom: clamp(1.25rem, 4vh, 2.5rem);
  transform: translateX(-50%);
  width: 28px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: transparent;
  padding: 0;
}

.hero__scrollcue span {
  display: block;
  width: 4px;
  height: 8px;
  margin: 7px auto 0;
  border-radius: 2px;
  background: var(--color-accent-light);
  animation: scrollcue 1.8s var(--ease) infinite;
}

@keyframes scrollcue {
  0%   { opacity: 1; transform: translateY(0); }
  70%  { opacity: 0; transform: translateY(14px); }
  100% { opacity: 0; transform: translateY(14px); }
}

/* ---------- showcase (avant/après) ---------- */

.showcase {
  padding-top: clamp(4rem, 10vw, 7rem);
  padding-bottom: clamp(4rem, 10vw, 7rem);
}

.showcase__head { margin-bottom: 2.5rem; }

.compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.compare__col { min-width: 0; }

.compare__label {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-ivory-dim);
  margin-bottom: 0.9rem;
}

.compare__label--accent { color: var(--color-accent-light); }

.before-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.media-frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
}

.media-frame--photo { aspect-ratio: 4 / 3; }

.media-frame--photo img,
.media-frame--photo .media-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--video {
  aspect-ratio: 16 / 10;
}

.media-frame--video video,
.media-frame--video .media-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--video video { display: block; }

.media-placeholder {
  display: none;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(246,241,233,0.05),
      rgba(246,241,233,0.05) 10px,
      transparent 10px,
      transparent 20px
    );
  border: 1px dashed var(--color-line);
}

.media-frame.is-broken .media-placeholder {
  display: flex;
}

.media-frame.is-broken img,
.media-frame.is-broken video {
  display: none;
}

.media-placeholder__label {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--color-ivory-dim);
  background: rgba(16,13,11,0.6);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
}

.showcase__note {
  margin-top: 2rem;
  color: var(--color-ivory-dim);
  font-size: 0.95rem;
  max-width: 60ch;
}

/* ---------- pourquoi ---------- */

.why {
  padding-top: clamp(3rem, 8vw, 5rem);
  padding-bottom: clamp(4rem, 10vw, 7rem);
  border-top: 1px solid var(--color-line);
}

.why__head { margin-bottom: 2.5rem; }

.why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.why__card {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-line);
}

.why__num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-accent-light);
  margin-bottom: 0.75rem;
}

.why__card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.why__card p {
  color: var(--color-ivory-dim);
  max-width: 42ch;
}

/* ---------- faq ---------- */

.faq {
  padding-top: clamp(3rem, 8vw, 5rem);
  padding-bottom: clamp(4rem, 10vw, 7rem);
  border-top: 1px solid var(--color-line);
}

.faq__head { margin-bottom: 2rem; }

.faq__list {
  max-width: 720px;
}

.faq__item {
  border-bottom: 1px solid var(--color-line);
}

.faq__item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-ivory);
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: "+";
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-accent-light);
  flex-shrink: 0;
  transition: transform 200ms var(--ease);
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item p {
  padding-bottom: 1.25rem;
  color: var(--color-ivory-dim);
  max-width: 60ch;
}

/* ---------- contact ---------- */

.contact {
  padding-top: clamp(4rem, 10vw, 6rem);
  padding-bottom: clamp(5rem, 12vw, 8rem);
  border-top: 1px solid var(--color-line);
}

.contact__inner { max-width: 720px; }

.contact__head { margin-bottom: 2.5rem; }

.contact__subtitle {
  margin-top: 1rem;
  color: var(--color-ivory-dim);
  max-width: 50ch;
}

.contact__form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.field { display: flex; flex-direction: column; }

.field label {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-ivory);
}

.field input,
.field textarea {
  font: inherit;
  color: var(--color-ivory);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 0.8rem 0.9rem;
  transition: border-color 180ms var(--ease);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--color-accent);
}

.field textarea { resize: vertical; min-height: 6rem; }

.field.has-error input,
.field.has-error textarea {
  border-color: #d9695f;
}

.field__error {
  display: block;
  min-height: 1.1em;
  font-size: 0.82rem;
  color: #e08a7e;
  margin-top: 0.4rem;
}

.contact__submit-row {
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.contact__status {
  font-size: 0.92rem;
  color: var(--color-accent-light);
}

.contact__status.is-error { color: #e08a7e; }

/* ---------- footer ---------- */

.footer {
  padding: 2.5rem clamp(1.25rem, 5vw, 2.5rem) 3rem;
  border-top: 1px solid var(--color-line);
  color: var(--color-ivory-dim);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-width: var(--wrap);
  margin: 0 auto;
}

.footer a { text-decoration: underline; text-underline-offset: 2px; }

/* ==========================================================================
   Breakpoints
   ========================================================================== */

@media (min-width: 700px) {
  .before-grid { gap: 0.8rem; }

  .why__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

@media (min-width: 900px) {
  .compare {
    grid-template-columns: 1fr 1.15fr;
    align-items: stretch;
    gap: var(--gap);
  }
}

@media (min-width: 1000px) {
  .hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

@media (min-width: 1100px) {
  .hero__inner { padding-top: 8rem; }
}

/* ==========================================================================
   Accessibilité : mouvement réduit
   ========================================================================== */

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

  * , *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .has-js .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero__scrollcue span { animation: none; }
}