/* ============================================
   SUPER TRADE — STYLE.CSS
   Dark Theme | Corporate Premium | Paris
   ============================================ */

/* --- CSS Variables --- */
:root {
  /* Couleurs */
  --c-primary: #59bbf7;
  --c-primary-light: #7dcbf9;
  --c-primary-dark: #3a9ad4;
  --c-accent: #1a1a26;
  --c-accent-light: rgba(89, 187, 247, 0.08);
  --c-accent-dark: #12121c;
  --c-bg: #0b0b12;
  --c-surface: #14141f;
  --c-surface-alt: #1a1a28;
  --c-text: #e6edf3;
  --c-text-soft: #8b949e;
  --c-text-muted: #484f58;
  --c-border: rgba(255, 255, 255, 0.08);
  /* Typo */
  --f-display: 'Playfair Display', Georgia, serif;
  --f-body: 'Inter', -apple-system, sans-serif;
  /* Spacing */
  --space-unit: clamp(1rem, 2vw, 1.5rem);
  --space-xs: calc(var(--space-unit) * 0.5);
  --space-sm: var(--space-unit);
  --space-md: calc(var(--space-unit) * 2);
  --space-lg: calc(var(--space-unit) * 3);
  --space-xl: calc(var(--space-unit) * 4);
  --space-2xl: calc(var(--space-unit) * 6);
  /* Ombres */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3), 0 2px 6px rgba(0,0,0,.2);
  --shadow-md: 0 2px 4px rgba(0,0,0,.3), 0 8px 16px rgba(0,0,0,.25), 0 16px 32px rgba(0,0,0,.2);
  --shadow-lg: 0 4px 8px rgba(0,0,0,.3), 0 16px 32px rgba(0,0,0,.3), 0 32px 64px rgba(0,0,0,.25);
  /* Transitions */
  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-base: 0.3s var(--ease-out);
  --transition-slow: 0.5s var(--ease-out);
  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 50px;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--f-body);
  font-size: clamp(0.95rem, 1.1vw, 1.125rem);
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--c-primary-light);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--f-display);
  line-height: 1.15;
  color: var(--c-text);
  overflow-wrap: break-word;
  word-break: break-word;
  text-wrap: balance;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); font-weight: 600; line-height: 1.3; }
h4 { font-size: clamp(1rem, 1.3vw, 1.15rem); font-weight: 600; }

p {
  max-width: 65ch;
  overflow-wrap: break-word;
  word-break: break-word;
}

ul { list-style: none; }

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--c-text-muted);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--c-text-soft);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.container--narrow {
  max-width: 800px;
}

/* --- Buttons --- */
.btn {
  min-height: 44px;
  padding: clamp(0.7rem, 2vw, 0.9rem) clamp(1.5rem, 3vw, 2rem);
  font-size: clamp(0.9rem, 1.1vw, 1rem);
  font-family: var(--f-body);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.2;
}

.btn--primary {
  background: var(--c-primary);
  color: var(--c-bg);
  border-color: var(--c-primary);
}
.btn--primary:hover {
  background: var(--c-primary-light);
  border-color: var(--c-primary-light);
  color: var(--c-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--c-text);
  border-color: var(--c-border);
}
.btn--outline:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
  transform: translateY(-2px);
}

.btn--pill {
  border-radius: var(--radius-full);
}

.btn--lg {
  padding: clamp(0.85rem, 2vw, 1.1rem) clamp(2rem, 4vw, 2.8rem);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
}

.btn--sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
  min-height: 36px;
}

.btn--full {
  width: 100%;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: all var(--transition-base);
  padding-top: env(safe-area-inset-top, 0);
}

.nav--scrolled {
  background: rgba(11, 11, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--c-border);
  padding: var(--space-xs) 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.nav__logo img {
  height: 36px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__links a {
  color: var(--c-text-soft);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-base);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--c-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.nav__links a:hover,
.nav__links a.is-active {
  color: var(--c-text);
}

.nav__links a:hover::after,
.nav__links a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__cta {
  font-size: 0.85rem;
  padding: 0.5rem 1.2rem;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* Mobile menu overlay */
.nav__menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 1001;
  background: rgba(11, 11, 18, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
}

.nav__menu-overlay.is-open {
  transform: translateX(0);
}

.nav__menu-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--c-text);
  cursor: pointer;
}

.nav__menu-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.nav__menu-links li {
  width: 100%;
  text-align: center;
}

.nav__menu-links a {
  display: block;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--c-text-soft);
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--c-border);
  transition: color var(--transition-base);
}

.nav__menu-links a:hover,
.nav__menu-links a.is-active {
  color: var(--c-primary);
}

.nav__menu-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 80%;
  max-width: 300px;
}

.nav__menu-ctas .btn {
  width: 100%;
  justify-content: center;
}

/* --- Hero --- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(80px + var(--space-xl));
}

.hero__inner {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  min-height: calc(100svh - 80px);
}

.hero__text {
  flex: 0 0 55%;
  max-width: 55%;
}

.hero__badge {
  display: inline-block;
  color: var(--c-primary);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__underline {
  border-bottom: 3px solid var(--c-primary);
  padding-bottom: 2px;
}

.hero__desc {
  color: var(--c-text-soft);
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  margin-bottom: var(--space-md);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.hero__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--c-text-soft);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-base);
}
.hero__link:hover {
  color: var(--c-primary);
}

.hero__reassurance {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
}

.hero__reassurance span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--c-text-soft);
  font-size: 0.85rem;
}

.hero__reassurance i {
  color: var(--c-primary);
}

.hero__visual {
  flex: 1;
  position: relative;
}

.hero__image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero__image-wrapper img {
  width: 100%;
  height: auto;
  aspect-ratio: 6/5;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroImageScale 1.2s var(--ease-out) forwards;
}

@keyframes heroImageScale {
  to { transform: scale(1); }
}

.hero__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,11,18,0.3) 0%, transparent 60%);
  pointer-events: none;
}

.hero__float-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  box-shadow: var(--shadow-lg);
  animation: floatIn 0.8s 0.5s var(--ease-out) both;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__float-value {
  display: block;
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1;
}

.hero__float-label {
  display: block;
  font-size: 0.75rem;
  color: var(--c-text-soft);
  max-width: 180px;
  margin-top: 0.25rem;
}

/* Hero decorative elements */
.hero__deco-circle {
  position: absolute;
  top: 10%;
  right: -5%;
  width: clamp(300px, 40vw, 600px);
  height: clamp(300px, 40vw, 600px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(89, 187, 247, 0.06) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.hero__deco-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-border), transparent);
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding-top: calc(80px + var(--space-2xl));
  padding-bottom: var(--space-xl);
  position: relative;
}

.page-hero__content {
  max-width: 700px;
}

.page-hero__line {
  width: 60px;
  height: 3px;
  background: var(--c-primary);
  margin-top: var(--space-md);
  border-radius: 2px;
}

/* --- Sections --- */
.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  position: relative;
  overflow: hidden;
}

.section--surface-alt {
  background: var(--c-surface-alt);
}

.section--diagonal {
  background: var(--c-surface);
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
  padding: clamp(6rem, 10vw, 9rem) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-inline: auto;
}

.section__header--left {
  text-align: left;
  margin-inline: 0;
}

.section__tag {
  display: inline-block;
  color: var(--c-primary);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--f-body);
  margin-bottom: var(--space-xs);
  position: relative;
}

.section__tag::before {
  content: '';
  position: absolute;
  left: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-primary);
}

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

.text-soft {
  color: var(--c-text-soft);
  font-size: 0.85rem;
}

/* --- Stats band --- */
.stats {
  background: var(--c-surface-alt);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.stats__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.stats__item {
  text-align: center;
  flex: 1 1 180px;
}

.stats__number {
  display: block;
  font-family: var(--f-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stats__label {
  font-size: 0.85rem;
  color: var(--c-text-soft);
}

.stats__divider {
  width: 1px;
  height: 50px;
  background: var(--c-border);
}

/* --- Service Cards --- */
.grid-services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: var(--space-md);
}

.service-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--c-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  border-color: rgba(89, 187, 247, 0.2);
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-md);
}

.service-card:hover::after {
  opacity: 1;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--c-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  color: var(--c-primary);
}

.service-card h3 {
  margin-bottom: var(--space-xs);
}

.service-card p {
  color: var(--c-text-soft);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-primary);
  transition: gap var(--transition-base);
}

.service-card__link:hover {
  gap: 0.6rem;
}

/* --- Split layout --- */
.split {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.split--reverse {
  flex-direction: row-reverse;
}

.split__text {
  flex: 1 1 50%;
}

.split__text h2 {
  margin-bottom: var(--space-sm);
}

.split__text p {
  color: var(--c-text-soft);
  margin-bottom: var(--space-sm);
}

.split__visual {
  flex: 1 1 45%;
  position: relative;
}

.split__visual img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 5/4;
  object-fit: cover;
}

.split__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(11,11,18,0.15) 0%, transparent 50%);
  pointer-events: none;
}

/* --- Check list --- */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--c-text-soft);
}

.check-list i {
  color: var(--c-primary);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* --- Feature grid --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: var(--space-xs) var(--space-sm);
  background: var(--c-accent-light);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--c-text-soft);
}

.feature-item i {
  color: var(--c-primary);
  flex-shrink: 0;
}

/* --- Timeline --- */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-left: var(--space-sm);
  border-left: 2px solid var(--c-border);
}

.timeline__item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-left: var(--space-sm);
  position: relative;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-sm) - 5px);
  top: 0.5rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-primary);
}

.timeline__step {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--c-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline__item span:last-child {
  color: var(--c-text-soft);
  font-size: 0.95rem;
}

/* --- Testimonials --- */
.testimonials__scroll {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: var(--space-md);
}

.testimonial-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  position: relative;
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  border-color: rgba(89, 187, 247, 0.15);
  box-shadow: var(--shadow-sm);
}

.testimonial-card__quote {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-md);
  font-family: var(--f-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--c-primary);
  opacity: 0.08;
  pointer-events: none;
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-sm);
  color: #f5a623;
}

.testimonial-card__stars i {
  fill: currentColor;
}

.testimonial-card p {
  color: var(--c-text-soft);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.testimonial-card__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--c-accent-light);
  border: 2px solid var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--c-primary);
  flex-shrink: 0;
}

.testimonial-card__author strong {
  display: block;
  font-size: 0.9rem;
}

.testimonial-card__author span {
  display: block;
  font-size: 0.8rem;
  color: var(--c-text-muted);
}

/* --- CTA Band --- */
.cta-band__inner {
  text-align: center;
  background: linear-gradient(135deg, var(--c-surface) 0%, var(--c-surface-alt) 100%);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  position: relative;
  overflow: hidden;
}

.cta-band__inner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(89, 187, 247, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-band__inner h2 {
  margin-bottom: var(--space-xs);
}

.cta-band__inner p {
  color: var(--c-text-soft);
  margin: 0 auto var(--space-md);
}

/* ---