/* ==========================================================================
   JOHN CONVERSION - DESIGN SYSTEM
   Ultra Premium · Futuriste · Minimaliste · Dark UI · Glassmorphism
   ========================================================================== */

:root {
  --bg-primary: #06083b;
  --bg-primary-rgb: 6, 8, 59;
  --bg-elevated: #0a0d4d;
  --accent-lime: #C8FF3D;
  --accent-lime-rgb: 200, 255, 61;
  --cyan: #06B6D4;
  --cyan-rgb: 6, 182, 212;
  --purple: #7C3AED;
  --purple-rgb: 124, 58, 237;
  --white: #FFFFFF;
  --grey: #94A3B8;
  --grey-soft: #B7C1D6;

  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-bg-strong: rgba(255, 255, 255, 0.07);

  --font-main: 'Comfortaa', sans-serif;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.4s var(--ease);

  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  font-weight: 400;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* Ambient background grid texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(var(--purple-rgb), 0.16), transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(var(--cyan-rgb), 0.14), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

::selection { background: var(--accent-lime); color: var(--bg-primary); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--purple); border-radius: var(--radius-pill); }

/* ==========================================================================
   UTILITIES
   ========================================================================== */

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

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

.section { position: relative; padding: 96px 0; z-index: 1; }
.section-dark { background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(255,255,255,0)); }
.section-inner { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-lime);
  font-weight: 600;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.lead-text { font-size: 1.05rem; color: var(--grey-soft); font-weight: 400; }
.lead-text.max-w { max-width: 640px; }
.body-text { color: var(--grey-soft); margin-top: 16px; }

.section-head { max-width: 720px; margin-bottom: 56px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
  cursor: pointer;
}
.btn i { font-size: 0.85em; transition: transform 0.3s var(--ease); }
.btn:hover i { transform: translateX(3px); }

.btn-primary {
  background: var(--accent-lime);
  color: var(--bg-primary);
  box-shadow: 0 0 0 0 rgba(var(--accent-lime-rgb), 0.5);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--accent-lime-rgb), 0.35);
}

.btn-ghost {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--white);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: var(--glass-bg-strong);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-2px);
}

.btn-lg { padding: 17px 34px; font-size: 1rem; }
.btn-header { display: none; }

/* ==========================================================================
   PRELOADER
   ========================================================================== */

#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.preloader-mark {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.preloader-mark span { color: var(--accent-lime); }

.preloader-bar {
  width: 180px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.preloader-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--purple), var(--cyan), var(--accent-lime));
  animation: loadbar 1.4s var(--ease) forwards;
}
@keyframes loadbar { to { width: 100%; } }

/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-radius: 0;
  border-top: none;
  border-left: none;
  border-right: none;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo { height: 32px; width: auto; }

.main-nav ul {
  display: flex;
  gap: 32px;
}
.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--grey-soft);
  position: relative;
  transition: color 0.3s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--accent-lime);
  transition: width 0.3s var(--ease);
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after { width: 100%; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 26px;
  z-index: 101;
}
.nav-toggle span {
  height: 2px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--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); }

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    background: var(--bg-elevated);
    border-left: 1px solid var(--glass-border);
    padding: 100px 32px;
    transition: right 0.5s var(--ease);
  }
  .main-nav.open { right: 0; }
  .main-nav ul { flex-direction: column; gap: 28px; }
  .main-nav .nav-link { font-size: 1.1rem; }
  .btn-header { display: none !important; }
}

@media (min-width: 901px) {
  .btn-header { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 24px 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}
.hero-glow-1 {
  width: 480px; height: 480px;
  background: rgba(var(--purple-rgb), 0.35);
  top: -100px; left: -140px;
}
.hero-glow-2 {
  width: 420px; height: 420px;
  background: rgba(var(--cyan-rgb), 0.28);
  bottom: -120px; right: -100px;
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(1.65rem, 7vw, 3.9rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 820px;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  color: var(--grey-soft);
  max-width: 560px;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}
.stat { display: flex; flex-direction: column; }
.stat-value {
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
}
.stat-number, .stat-suffix {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-lime);
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--grey);
  margin-top: 4px;
}

.hero-portrait {
  position: relative;
  z-index: 1;
  margin-top: 56px;
  max-width: 320px;
}
.portrait-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
}
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; }
.portrait-badge {
  position: absolute;
  bottom: -18px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
}
.portrait-badge i { color: var(--accent-lime); }

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--grey);
  z-index: 2;
  animation: bob 2.2s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

@media (min-width: 860px) {
  .hero { flex-direction: row; align-items: center; padding-top: 100px; }
  .hero-inner { flex: 1; }
  .hero-portrait { flex-shrink: 0; margin-top: 0; margin-left: 40px; max-width: 380px; }
}

/* ==========================================================================
   À PROPOS
   ========================================================================== */

.apropos-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}
@media (min-width: 860px) {
  .apropos-grid { grid-template-columns: 0.85fr 1.15fr; gap: 72px; }
}

.image-glass-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  max-width: 380px;
  margin: 0 auto;
}
.image-glass-frame img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }

.skill-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 32px;
}
.skill-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}
.skill-list i { color: var(--cyan); font-size: 1.1rem; }

/* ==========================================================================
   POURQUOI ME FAIRE CONFIANCE
   ========================================================================== */

.confiance-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}
@media (min-width: 860px) {
  .confiance-grid { grid-template-columns: 1.15fr 0.85fr; gap: 72px; }
}

.confiance-list { margin-top: 32px; display: flex; flex-direction: column; gap: 24px; }
.confiance-list li { display: flex; gap: 18px; align-items: flex-start; }
.confiance-list i {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--accent-lime);
  font-size: 1.1rem;
}
.confiance-list h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.confiance-list p { color: var(--grey-soft); font-size: 0.9rem; }

.confiance-frame { max-width: 400px; margin: 0 auto; }

/* ==========================================================================
   RÉALISATIONS
   ========================================================================== */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--grey-soft);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s var(--ease);
}
.filter-btn:hover { color: var(--white); }
.filter-btn.active {
  background: var(--accent-lime);
  color: var(--bg-primary);
  border-color: var(--accent-lime);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 640px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--accent-lime-rgb), 0.4);
}
.project-card.hidden { display: none; }

.project-media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.project-card:hover .project-media img { transform: scale(1.06); }

.project-tag {
  position: absolute;
  top: 16px; left: 16px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(6, 8, 59, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  color: var(--accent-lime);
}
.project-tag-inline {
  position: static;
  display: inline-block;
  margin-bottom: 12px;
  background: rgba(var(--accent-lime-rgb), 0.1);
  border-color: rgba(var(--accent-lime-rgb), 0.3);
}

/* Mini-navigateur - aperçu live du site en carte */
.browser-preview {
  display: block;
  border-bottom: 1px solid var(--glass-border);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
}
.browser-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot-red { background: #FF5F57; }
.dot-yellow { background: #FEBC2E; }
.dot-green { background: #28C840; }
.browser-url {
  margin-left: 10px;
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.72rem;
  color: var(--grey-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.browser-url i { font-size: 0.65rem; color: var(--accent-lime); }

.browser-frame {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #fff;
}
.browser-frame iframe {
  position: absolute;
  top: 0; left: 0;
  width: 220%;
  height: 220%;
  border: none;
  transform: scale(0.4545);
  transform-origin: top left;
  pointer-events: none;
}
.browser-overlay {
  position: absolute;
  inset: 0;
  background: transparent;
  transition: background 0.4s var(--ease);
}
.project-card:hover .browser-overlay { background: rgba(var(--purple-rgb), 0.06); }

.project-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.project-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.project-body p { color: var(--grey-soft); font-size: 0.9rem; flex: 1; margin-bottom: 18px; }

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan);
  width: fit-content;
  transition: gap 0.3s var(--ease), color 0.3s var(--ease);
}
.project-link:hover { gap: 12px; color: var(--accent-lime); }

/* ==========================================================================
   PROCESSUS / TIMELINE ANIMÉE
   ========================================================================== */

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.timeline-svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: visible;
}
.timeline-path-bg {
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 2;
}
.timeline-path-fill {
  stroke: url(#timelineGradient);
  stroke-width: 3;
  filter: drop-shadow(0 0 6px rgba(var(--accent-lime-rgb), 0.5));
}

.timeline-item {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.timeline-item.in-view { opacity: 1; transform: translateY(0); }

.timeline-marker {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  font-size: 1.15rem;
  color: var(--grey);
  transition: color 0.5s var(--ease), border-color 0.5s var(--ease), box-shadow 0.5s var(--ease), transform 0.5s var(--ease);
}
.timeline-item.active .timeline-marker {
  color: var(--bg-primary);
  background: var(--accent-lime);
  border-color: var(--accent-lime);
  box-shadow: 0 0 0 6px rgba(var(--accent-lime-rgb), 0.15);
  transform: scale(1.08);
}

.timeline-content { flex: 1; padding: 24px; border-radius: var(--radius-md); }
.timeline-content h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.timeline-content p { color: var(--grey-soft); font-size: 0.92rem; }

@media (min-width: 860px) {
  .timeline-item { justify-content: center; }
  .timeline-item:nth-child(odd) { flex-direction: row; }
  .timeline-item:nth-child(even) { flex-direction: row-reverse; }
  .timeline-content { max-width: 420px; }
}

/* ==========================================================================
   TÉMOIGNAGES
   ========================================================================== */

.testimonials-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}
@media (min-width: 780px) { .testimonials-grid { grid-template-columns: repeat(3, 1fr); } }

.testimonial-card {
  padding: 32px 28px;
  border-radius: var(--radius-md);
  position: relative;
}
.section-head-personal { display: flex; align-items: center; gap: 20px; }
.personal-thumb {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-lime);
  flex-shrink: 0;
}

.quote-icon { color: var(--purple); font-size: 1.4rem; margin-bottom: 16px; display: block; }
.testimonial-card p { font-size: 0.95rem; color: var(--grey-soft); margin-bottom: 20px; }
.testimonial-name { display: block; font-weight: 700; font-size: 0.9rem; }
.testimonial-role { display: block; font-size: 0.78rem; color: var(--grey); margin-top: 2px; }

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-layout {
  display: grid;
  gap: 48px;
}
@media (min-width: 860px) {
  .faq-layout { grid-template-columns: 0.8fr 1.2fr; gap: 72px; align-items: start; }
  .faq-head { position: sticky; top: 120px; }
}

.faq-item {
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  text-align: left;
  font-weight: 600;
  font-size: 0.98rem;
}
.faq-question i { color: var(--accent-lime); transition: transform 0.35s var(--ease); flex-shrink: 0; margin-left: 16px; }
.faq-item.open .faq-question i { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.4s var(--ease);
  padding: 0 24px;
}
.faq-item.open .faq-answer { padding: 0 24px 22px; }
#faq .lead-text { color: var(--white); }
.faq-answer p { color: var(--white); font-size: 0.92rem; }

/* ==========================================================================
   CONTACT
   ========================================================================== */

.contact-grid {
  display: grid;
  gap: 48px;
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 0.9fr 1.1fr; gap: 72px; }
}

.contact-portrait {
  width: 72px; height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--cyan);
  margin-bottom: 20px;
}

.contact-list { margin-top: 32px; display: flex; flex-direction: column; gap: 18px; }
.contact-list li { display: flex; align-items: center; gap: 14px; font-size: 0.95rem; color: var(--grey-soft); }
.contact-list i { color: var(--cyan); width: 20px; text-align: center; }
.contact-list a:hover { color: var(--accent-lime); }

.social-links { display: flex; gap: 12px; margin-top: 32px; }
.social-links a {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s var(--ease);
}
.social-links a:hover { background: var(--accent-lime); color: var(--bg-primary); transform: translateY(-3px); }

.contact-form { padding: 36px; border-radius: var(--radius-lg); }
.form-row { margin-bottom: 20px; }
.form-row label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; color: var(--grey-soft); }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  color: var(--white);
  font-family: var(--font-main);
  font-size: 0.92rem;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.form-row select option { background: var(--bg-elevated); color: var(--white); }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--accent-lime);
  background: rgba(255,255,255,0.08);
}
.form-row textarea { resize: vertical; min-height: 120px; }

.btn-submit { width: 100%; position: relative; }
.btn-loader {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(6,8,59,0.3);
  border-top-color: var(--bg-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.btn-submit.loading .btn-text { opacity: 0; }
.btn-submit.loading .btn-loader { display: block; position: absolute; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-feedback {
  margin-top: 16px;
  font-size: 0.88rem;
  text-align: center;
  min-height: 20px;
}
.form-feedback.success { color: var(--accent-lime); }
.form-feedback.error { color: #FF6B6B; }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--glass-border);
  padding: 72px 24px 32px;
  background: var(--bg-elevated);
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
}
@media (min-width: 780px) {
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

.footer-logo { height: 30px; margin-bottom: 16px; }
.footer-brand p { color: var(--grey); font-size: 0.88rem; max-width: 300px; margin-bottom: 20px; }

.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--white); margin-bottom: 18px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col a, .footer-col span { color: var(--grey); font-size: 0.9rem; }
.footer-col a:hover { color: var(--accent-lime); }

.footer-bottom {
  max-width: var(--container);
  margin: 56px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  color: var(--grey);
  font-size: 0.82rem;
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  z-index: 90;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s var(--ease);
}
.whatsapp-float:hover { transform: scale(1.1); }

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */

.reveal-up, .reveal-left, .reveal-right, .reveal-fade {
  opacity: 0;
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: transform, opacity;
}
.reveal-up { transform: translateY(36px); }
.reveal-left { transform: translateX(-36px); }
.reveal-right { transform: translateX(36px); }
.reveal-fade { transform: scale(0.96); }

.reveal-up.in-view, .reveal-left.in-view, .reveal-right.in-view, .reveal-fade.in-view {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

.hero-inner .reveal-up:nth-child(1) { transition-delay: 0.05s; }
.hero-inner .reveal-up:nth-child(2) { transition-delay: 0.15s; }
.hero-inner .reveal-up:nth-child(3) { transition-delay: 0.25s; }
.hero-inner .reveal-up:nth-child(4) { transition-delay: 0.35s; }
.hero-inner .reveal-up:nth-child(5) { transition-delay: 0.45s; }