/* =============================================
   SOVER.TECH — style.css
   Font : Inter (Google Fonts)
   Accent : #1D6EF5 | BG : #0a0a0a
   ============================================= */

/* --- Variables -------------------------------- */
:root {
  --bg:             #0a0a0a;
  --bg-alt:         #0f0f0f;
  --bg-card:        #141414;
  --bg-card-hover:  #1b1b1b;
  --text:           #f0f0f0;
  --text-muted:     #8899aa;
  --accent:         #1D6EF5;
  --accent-hover:   #4d90f8;
  --accent-dim:     rgba(29, 110, 245, 0.10);
  --border:         rgba(255, 255, 255, 0.07);
  --border-accent:  rgba(29, 110, 245, 0.25);
  --radius:         14px;
  --radius-sm:      8px;
  --transition:     0.2s ease;
  --max-width:      1100px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img  { display: block; max-width: 100%; height: auto; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
address { font-style: normal; }

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text);
}
p { color: var(--text-muted); }

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

/* --- Layout ----------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 5rem 0; }

.section-title {
  text-align: center;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 0.6rem;
}

.section-subtitle {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 3rem;
  color: var(--text-muted);
}

/* --- Buttons ---------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
  white-space: nowrap;
}

.btn-primary            { background: var(--accent); color: #fff; }
.btn-primary:hover      { background: var(--accent-hover); transform: translateY(-1px); }
.btn-primary:active     { transform: translateY(0); }
.btn-full               { width: 100%; }
.btn:disabled           { opacity: 0.6; cursor: not-allowed; transform: none; }

/* --- Cards ------------------------------------ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: background var(--transition), border-color var(--transition);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

.card h3 { margin: 1rem 0 0.55rem; font-size: 1.1rem; }
.card p  { font-size: 0.95rem; }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.card-icon--accent {
  background: var(--accent-dim);
  color: var(--accent);
}

/* =============================================
   NAVIGATION
   ============================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background 0.3s ease, padding 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0.55rem 0;
  border-bottom-color: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  flex-shrink: 0;
}

.nav-logo img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-links a {
  display: block;
  padding: 0.45rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(240, 240, 240, 0.65);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-links a.nav-cta {
  background: var(--accent);
  color: #fff;
  margin-left: 0.6rem;
  padding: 0.45rem 1rem;
}

.nav-links a.nav-cta:hover { background: var(--accent-hover); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  z-index: 1;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 7rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    #010101 0%,
    rgba(1, 1, 1, 0.6) 45%,
    rgba(1, 1, 1, 0.2) 100%
  );
}

.hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 50% at 15% 65%,
    rgba(29, 110, 245, 0.18) 0%, transparent 70%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding: 0 1.5rem;
  margin-left: calc((100vw - var(--max-width)) / 2);
}

@media (max-width: 1140px) {
  .hero-content { margin-left: 1.5rem; }
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.25rem;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: rgba(240, 240, 240, 0.72);
  margin-bottom: 2.25rem;
  max-width: 540px;
  line-height: 1.75;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-scroll span {
  display: block;
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.45), transparent);
  animation: scroll-hint 2.2s ease-in-out infinite;
}

@keyframes scroll-hint {
  0%, 100% { opacity: 0; transform: scaleY(0.5); }
  50%       { opacity: 1; transform: scaleY(1); }
}

/* =============================================
   PROBLÈMES
   ============================================= */
.problems { background: var(--bg-alt); }
.problems .section-title { margin-bottom: 0; }

/* =============================================
   SOLUTION
   ============================================= */
.solution { background: var(--bg); }

.solution-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.solution-text h2  { margin-bottom: 1.25rem; }
.solution-text p   { margin-bottom: 1rem; font-size: 0.98rem; }

.solution-list {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.solution-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text);
}

.solution-list svg { color: var(--accent); flex-shrink: 0; }

.solution-image img {
  border-radius: var(--radius);
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  border: 1px solid var(--border);
}

/* =============================================
   SERVICES
   ============================================= */
.services { background: var(--bg-alt); }

.card-img-wrap {
  margin: -2rem -2rem 1.5rem;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
}

.card-img-wrap img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.card:hover .card-img-wrap img { transform: scale(1.03); }

/* =============================================
   AUDIT CTA
   ============================================= */
.audit { background: var(--bg); padding: 4rem 0; }

.audit-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.audit-inner::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(29, 110, 245, 0.13) 0%, transparent 70%);
  pointer-events: none;
}

.audit-text h2 { margin-bottom: 0.7rem; font-size: clamp(1.5rem, 2.5vw, 2rem); }
.audit-text p  { margin-bottom: 1rem; max-width: 500px; }

.audit-details {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.audit-details li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 1.25rem;
  position: relative;
}

.audit-details li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.audit-inner .btn { flex-shrink: 0; position: relative; z-index: 1; }

/* =============================================
   ABOUT
   ============================================= */
.about { background: var(--bg-alt); }

.about-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 4.5rem;
  align-items: start;
}

.about-photo img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.about-text p            { margin-bottom: 1rem; font-size: 0.97rem; }
.about-text strong       { color: var(--text); }

.about-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}

.about-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--accent);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition);
}

.about-link:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* =============================================
   CONTACT
   ============================================= */
.contact { background: var(--bg); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  align-items: start;
}

.contact-text h2 { margin-bottom: 0.7rem; }
.contact-text p  { margin-bottom: 1.5rem; }

.contact-address {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-address a {
  font-size: 0.95rem;
  color: var(--accent);
  transition: color var(--transition);
}

.contact-address a:hover { color: var(--accent-hover); }

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group label span { color: var(--accent); }

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.72rem 1rem;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
  width: 100%;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(136, 153, 170, 0.45); }

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.form-group input.invalid,
.form-group textarea.invalid { border-color: #ef4444; }

/* Honeypot — invisible pour les humains */
.form-honey { display: none; visibility: hidden; }

.form-feedback {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-feedback.success {
  background: rgba(34, 197, 94, 0.09);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.form-feedback.error {
  background: rgba(239, 68, 68, 0.09);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* =============================================
   MENTIONS LÉGALES
   ============================================= */
.legal-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 8rem 1.5rem 5rem;
}

.legal-page h1 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.legal-section { margin-bottom: 2.5rem; }

.legal-section h2 {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.legal-section p,
.legal-section address {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.legal-section a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-section a:hover { color: var(--accent-hover); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  transition: color 0.2s;
}

.back-link:hover { color: var(--text); }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  text-align: center;
}

.footer-brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
}

.footer-tagline { font-size: 0.85rem; }

.site-footer nav { display: flex; gap: 1.5rem; }

.site-footer nav a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.site-footer nav a:hover { color: var(--text); }

.footer-copy {
  font-size: 0.78rem;
  color: rgba(136, 153, 170, 0.45);
  margin-top: 0.2rem;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 960px) {
  .cards-grid          { grid-template-columns: 1fr; gap: 1rem; }
  .solution-inner      { grid-template-columns: 1fr; gap: 2.5rem; }
  .solution-image      { order: -1; }
  .solution-image img  { max-height: 300px; }
  .about-inner         { grid-template-columns: 1fr; gap: 2rem; }
  .about-photo         { max-width: 200px; margin: 0 auto; }
  .audit-inner         { flex-direction: column; text-align: center; align-items: center; }
  .audit-details       { align-items: center; }
  .contact-inner       { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 700px) {
  section { padding: 3.5rem 0; }

  /* Mobile nav */
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1rem;
    gap: 0.15rem;
  }

  .nav-links.open         { display: flex; }
  .nav-links a            { width: 100%; }
  .nav-links a.nav-cta    { margin-left: 0; margin-top: 0.5rem; text-align: center; }

  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .audit-inner  { padding: 2rem 1.5rem; }
  .about-links  { flex-direction: column; }
}