/* ===================================================
   OVIASOFT — Landing Page go.oviasoft.com
   Design : dark #0d1117, gradient violet→rose, Inter
   =================================================== */

/* ---- RESET & BASE --------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #0d1117;
  --bg-card:      #161b22;
  --bg-card-2:    #1c2230;
  --border:       #30363d;
  --border-focus: #7c3aed;

  --violet:       #7c3aed;
  --rose:         #ec4899;
  --gradient:     linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #ec4899 100%);
  --gradient-btn: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);

  --text-primary:   #e6edf3;
  --text-secondary: #8b949e;
  --text-muted:     #6e7681;

  --error:   #f87171;
  --success: #4ade80;

  --radius-sm:  8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-card: 0 8px 40px rgba(0,0,0,.5);
  --shadow-glow: 0 0 60px rgba(124,58,237,.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- BACKGROUND ORBS ------------------------------ */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .45;
  animation: orb-float 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #7c3aed 0%, transparent 70%);
  top: -180px; left: -120px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #ec4899 0%, transparent 70%);
  top: 30%; right: -150px;
  animation-delay: -3s;
  opacity: .3;
}

.orb-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #a855f7 0%, transparent 70%);
  bottom: 0; left: 30%;
  animation-delay: -6s;
  opacity: .2;
}

@keyframes orb-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-30px) scale(1.06); }
}

/* ---- HEADER --------------------------------------- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 40px;
  border-bottom: 1px solid rgba(48,54,61,.6);
  background: rgba(13,17,23,.75);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-logo img { display: block; height: 36px; width: auto; }

.header-trust {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(28,34,48,.8);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
}

.trust-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px #4ade80;
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px #4ade80; }
  50%       { opacity: .7; box-shadow: 0 0 16px #4ade80; }
}

/* ---- HERO ----------------------------------------- */
.hero {
  text-align: center;
  padding: 52px 24px 28px;
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #a78bfa;
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.3);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(1.9rem, 4.5vw, 2.7rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.025em;
  margin-bottom: 16px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---- MAIN LAYOUT ---------------------------------- */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 1.45fr;
  gap: 28px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px 64px;
  align-items: start;
  position: relative;
  z-index: 1;
}

/* ---- REASSURANCE ---------------------------------- */
.reassurance {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: sticky;
  top: 88px;
}

.reassurance-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(22,27,34,.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  backdrop-filter: blur(8px);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}

.reassurance-card:hover {
  border-color: rgba(124,58,237,.5);
  transform: translateX(3px);
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
}

.reassurance-highlight {
  border-color: rgba(124,58,237,.4);
  background: linear-gradient(135deg, rgba(124,58,237,.1) 0%, rgba(236,72,153,.06) 100%);
}

.reassurance-icon {
  flex-shrink: 0;
  margin-top: 2px;
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124,58,237,.1);
  border-radius: 8px;
}

.reassurance-icon svg {
  width: 18px; height: 18px;
  stroke: #a78bfa;
  stroke-width: 1.75;
}

.reassurance-title {
  font-weight: 700;
  font-size: .9rem;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.reassurance-desc {
  font-size: .8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---- FORM CARD ------------------------------------ */
.form-section { width: 100%; }

.form-card {
  background: rgba(22,27,34,.85);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  backdrop-filter: blur(16px);
  overflow: hidden;
}

/* ---- PROGRESS BAR --------------------------------- */
.progress-header {
  margin-bottom: 28px;
}

.progress-steps {
  display: flex;
  align-items: center;
  margin-bottom: 14px;
  gap: 0;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.progress-step-dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg-card-2);
  color: var(--text-muted);
  font-size: .75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
  flex-shrink: 0;
}

.progress-step.active .progress-step-dot {
  background: var(--gradient-btn);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 16px rgba(124,58,237,.5);
}

.progress-step.done .progress-step-dot {
  background: var(--gradient-btn);
  border-color: transparent;
  color: #fff;
}

.progress-step-label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color .3s;
  white-space: nowrap;
}

.progress-step.active .progress-step-label { color: var(--text-primary); }
.progress-step.done  .progress-step-label { color: var(--text-secondary); }

.progress-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin: 0 10px;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.progress-bar-track {
  height: 3px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-btn);
  border-radius: 3px;
  width: 0%;
  transition: width .5s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 8px rgba(124,58,237,.5);
}

/* ---- STEP PANELS ---------------------------------- */
.step-panel {
  display: none;
  animation: step-in .35s cubic-bezier(.4,0,.2,1);
}

.step-panel.active { display: block; }

@keyframes step-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.step-panel.slide-back {
  animation: step-back .35s cubic-bezier(.4,0,.2,1);
}

@keyframes step-back {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.step-heading { margin-bottom: 22px; }

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.step-sub {
  font-size: .85rem;
  color: var(--text-secondary);
}

/* ---- INTEREST GRID -------------------------------- */
.interest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 8px;
}

.interest-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 16px 10px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color .2s, background .2s, transform .15s, box-shadow .2s;
  user-select: none;
}

.interest-card:hover {
  border-color: rgba(124,58,237,.5);
  background: rgba(124,58,237,.05);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(124,58,237,.15);
}

.interest-card.selected {
  border-color: var(--violet);
  background: rgba(124,58,237,.1);
  box-shadow: 0 0 0 3px rgba(124,58,237,.18);
}

.interest-icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124,58,237,.08);
  border-radius: 10px;
  margin-bottom: 2px;
  transition: background .2s;
}

.interest-icon svg {
  width: 20px; height: 20px;
  stroke: #a78bfa;
  stroke-width: 1.75;
  transition: stroke .2s;
}

.interest-card.selected .interest-icon {
  background: rgba(124,58,237,.2);
}

.interest-card.selected .interest-icon svg {
  stroke: #c4b5fd;
}

.interest-label {
  font-size: .8rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.interest-desc {
  font-size: .7rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* ---- FIELDS --------------------------------------- */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: .01em;
}

.required-star { color: var(--rose); margin-left: 2px; }
.optional-label { font-weight: 400; color: var(--text-muted); font-size: .75rem; }

.field-input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: .9rem;
  padding: 11px 14px;
  width: 100%;
  transition: border-color .18s, box-shadow .18s;
  outline: none;
  appearance: none;
}

.field-input::placeholder { color: var(--text-muted); }

.field-input:focus {
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(124,58,237,.18);
}

.field-input.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(248,113,113,.1);
}

.field-input.is-valid { border-color: #22c55e; }

.field-select { cursor: pointer; padding-right: 36px; }
.field-select option { background: #1c2230; color: var(--text-primary); }

.select-wrapper { position: relative; }

.select-arrow {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-muted);
  font-size: .85rem;
}

.field-textarea { resize: vertical; min-height: 90px; }
.field-error { font-size: .76rem; color: var(--error); min-height: 16px; display: block; }

/* Privacy notice */
.privacy-notice {
  font-size: .76rem;
  color: var(--text-muted);
  background: rgba(28,34,48,.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 18px;
}

/* ---- STEP NAV ------------------------------------- */
.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  gap: 12px;
}

.btn-back-step {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: .88rem;
  font-weight: 600;
  padding: 10px 18px;
  cursor: pointer;
  transition: border-color .2s, color .2s;
  flex-shrink: 0;
}

.btn-back-step:hover {
  border-color: var(--violet);
  color: var(--text-primary);
}

.btn-next {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--gradient-btn);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 18px rgba(124,58,237,.35);
  margin-left: auto;
}

.btn-next:hover {
  opacity: .92;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(124,58,237,.5);
}

.btn-arrow { transition: transform .2s; }
.btn-next:hover .btn-arrow { transform: translateX(3px); }

/* ---- SUBMIT --------------------------------------- */
.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  background: var(--gradient-btn);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .02em;
  transition: opacity .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 24px rgba(124,58,237,.4);
}

.btn-submit:hover {
  opacity: .92;
  transform: translateY(-1px);
  box-shadow: 0 6px 30px rgba(124,58,237,.55);
}

.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.btn-loader {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- GLOBAL ERROR --------------------------------- */
.global-error {
  margin-top: 14px;
  padding: 12px 16px;
  background: rgba(248,113,113,.08);
  border: 1px solid rgba(248,113,113,.25);
  border-radius: var(--radius-sm);
  color: var(--error);
  font-size: .83rem;
  text-align: center;
}

/* ---- SUCCESS STATE -------------------------------- */
.success-state { text-align: center; padding: 16px 0; }

.success-animation { margin-bottom: 24px; }

.success-icon-wrap {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(124,58,237,.15), rgba(236,72,153,.1));
  border: 2px solid rgba(124,58,237,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  animation: pop-in .4s cubic-bezier(.34,1.56,.64,1);
}

@keyframes pop-in {
  from { transform: scale(.4); opacity: 0; }
  to   { transform: scale(1);  opacity: 1; }
}

.success-check {
  font-size: 2rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.success-title { font-size: 1.6rem; font-weight: 800; margin-bottom: 12px; }

.success-text {
  color: var(--text-secondary);
  font-size: .95rem;
  margin-bottom: 28px;
  line-height: 1.7;
}

.success-next { display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; text-align: left; }

.success-step {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: .87rem;
  color: var(--text-secondary);
}

.step-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--gradient-btn);
  color: #fff;
  font-weight: 700;
  font-size: .78rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn-return {
  display: inline-block;
  padding: 11px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: .88rem;
  font-weight: 600;
  transition: border-color .2s, color .2s;
}

.btn-return:hover { border-color: var(--violet); color: var(--text-primary); }

/* ---- FOOTER --------------------------------------- */
.footer {
  border-top: 1px solid rgba(48,54,61,.5);
  padding: 20px 24px;
  text-align: center;
  font-size: .76rem;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: color .15s, text-decoration-color .15s;
}

.footer a:hover { color: var(--text-primary); text-decoration-color: currentColor; }

/* ---- UTILITY -------------------------------------- */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* ---- RESPONSIVE — tablette ----------------------- */
@media (max-width: 860px) {
  .main-layout {
    grid-template-columns: 1fr;
    padding: 16px 20px 48px;
  }

  .reassurance {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .form-card { padding: 24px 22px; }
}

/* ---- RESPONSIVE — mobile ------------------------- */
@media (max-width: 560px) {
  .header { padding: 12px 18px; }
  .header-trust { display: none; }

  .hero { padding: 32px 18px 20px; }
  .hero-title { font-size: 1.65rem; }

  .main-layout { padding: 12px 14px 40px; gap: 16px; }

  .reassurance { grid-template-columns: 1fr; }

  .interest-grid { grid-template-columns: 1fr 1fr; }

  .field-row { grid-template-columns: 1fr; gap: 0; }

  .form-card { padding: 20px 16px; border-radius: var(--radius-md); }

  .progress-step-label { display: none; }

  .btn-next, .btn-submit { font-size: .9rem; }
}

@media (max-width: 360px) {
  .interest-grid { grid-template-columns: 1fr; }
}