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

:root {
  --yellow: #F5C800;
  --yellow-dark: #D9B000;
  --yellow-light: #FFF8D6;
  --blue: #1A2744;
  --blue-mid: #243460;
  --blue-light: #2E4080;
  --white: #FFFFFF;
  --grey-50: #F9F9F9;
  --grey-100: #F2F2F2;
  --grey-200: #E5E5E5;
  --grey-400: #999999;
  --grey-700: #444444;
  --text: #1A1A1A;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== UTILITIES ===== */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.highlight { color: var(--yellow); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--yellow);
  color: var(--blue);
  border-color: var(--yellow);
}
.btn--primary:hover {
  background: var(--yellow-dark);
  border-color: var(--yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,200,0,0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.35);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-2px);
}

.btn--nav {
  background: var(--yellow);
  color: var(--blue);
  border-color: var(--yellow);
  padding: 10px 20px;
  font-size: 0.875rem;
}
.btn--nav:hover {
  background: var(--yellow-dark);
  border-color: var(--yellow-dark);
}

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

.tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.tag--yellow { background: var(--yellow-light); color: var(--blue); }
.tag--blue { background: var(--blue); color: var(--yellow); }

.section {
  padding: 96px 0;
}
.section--dark {
  background: var(--blue);
  color: var(--white);
  padding: 96px 0;
}
.section--light {
  background: var(--grey-50);
  padding: 96px 0;
}
.section--contact {
  background: var(--blue);
  color: var(--white);
  padding: 96px 0;
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  color: inherit;
}

.section__title--left {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
}

.section__sub {
  font-size: 1.05rem;
  color: var(--grey-400);
  line-height: 1.7;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(26, 39, 68, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav__logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}
.nav__logo-img {
  height: 44px;
  width: auto;
  border-radius: 8px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--white); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  gap: 4px;
  background: var(--blue);
}

.mobile-link {
  display: block;
  padding: 12px 16px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-weight: 500;
  border-radius: 8px;
  transition: all var(--transition);
}
.mobile-link:hover { background: rgba(255,255,255,0.08); color: var(--white); }
.mobile-link--cta {
  background: var(--yellow);
  color: var(--blue);
  font-weight: 700;
  text-align: center;
  margin-top: 8px;
}
.mobile-link--cta:hover { background: var(--yellow-dark); color: var(--blue); }

.nav__mobile.open { display: flex; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: var(--blue);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 68px;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,200,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,200,0,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245,200,0,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(46,64,128,0.4) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 48px 24px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,200,0,0.12);
  border: 1px solid rgba(245,200,0,0.25);
  color: var(--yellow);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.badge__dot {
  width: 7px;
  height: 7px;
  background: var(--yellow);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero__sub strong { color: var(--white); }

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat__sep {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat__num {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--yellow);
}
.stat__label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.35);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.scroll__arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
  animation: bounce 1.5s infinite;
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(4px); }
}

/* ===== PROBLEMS ===== */
.problems__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 56px;
}

.problem__card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all var(--transition);
}
.problem__card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(245,200,0,0.3);
  transform: translateY(-3px);
}
.problem__icon { font-size: 1.75rem; }
.problem__card p {
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
  line-height: 1.6;
}

.problems__cta {
  text-align: center;
}
.problems__cta p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  margin-bottom: 24px;
  line-height: 1.7;
}
.problems__cta strong { color: var(--white); }

/* ===== SERVICES ===== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service__card {
  background: var(--white);
  border: 1.5px solid var(--grey-200);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service__card:hover {
  border-color: var(--yellow);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.service__card--featured {
  border-color: var(--yellow);
  background: linear-gradient(135deg, var(--yellow-light) 0%, var(--white) 100%);
  box-shadow: var(--shadow);
}

.service__icon { font-size: 2rem; }
.service__card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--blue);
}
.service__card p {
  color: var(--grey-700);
  font-size: 0.92rem;
  line-height: 1.65;
}
.service__card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}
.service__card ul li {
  font-size: 0.875rem;
  color: var(--grey-700);
  padding-left: 20px;
  position: relative;
}
.service__card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--yellow-dark);
  font-weight: 700;
}

/* ===== STEPS ===== */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step__num {
  width: 56px;
  height: 56px;
  background: var(--yellow);
  color: var(--blue);
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step__content h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 8px;
}
.step__content p {
  font-size: 0.92rem;
  color: var(--grey-700);
  line-height: 1.65;
}

.step__connector {
  flex: 0 0 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--yellow), var(--yellow-dark));
  margin-top: 27px;
  opacity: 0.5;
}

/* ===== WHY ===== */
.why__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why__text {
  color: var(--grey-700);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 36px;
}

.why__values {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.value {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.value__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--yellow-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.value strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 4px;
}
.value p {
  font-size: 0.875rem;
  color: var(--grey-700);
  line-height: 1.5;
}

.why__card {
  background: var(--blue);
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: var(--white);
}

.why__card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.why__emoji { font-size: 2rem; }
.why__card-header strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
}
.why__card-header span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

.why__metrics {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.metric {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
}
.metric__icon { font-size: 1rem; }

.why__card-footer {
  padding: 20px 28px;
  background: var(--yellow);
  color: var(--blue);
  font-weight: 800;
  font-size: 0.95rem;
  text-align: center;
}

/* ===== CONTACT ===== */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact__text {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 36px;
}

.contact__infos {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}
.contact__info {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  padding: 16px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.contact__info:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(245,200,0,0.4);
  transform: translateX(4px);
}
.contact__info-icon { font-size: 1.25rem; }
.contact__info strong {
  display: block;
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}
.contact__info span {
  color: rgba(255,255,255,0.65);
  font-size: 0.95rem;
}

.contact__social {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.contact__social span {
  color: rgba(255,255,255,0.45);
  font-size: 0.8rem;
}
.social__links { display: flex; gap: 10px; }
.social__link {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 700;
  transition: all var(--transition);
}
.social__link:hover {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--blue);
}

/* FORM */
.contact__form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form__group input,
.form__group textarea {
  padding: 13px 16px;
  border: 1.5px solid var(--grey-200);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: all var(--transition);
  outline: none;
  resize: vertical;
}
.form__group input::placeholder,
.form__group textarea::placeholder { color: var(--grey-400); }
.form__group input:focus,
.form__group textarea:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px rgba(245,200,0,0.15);
}

.form__note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--grey-400);
}

/* SUCCESS STATE */
.form__success {
  text-align: center;
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.form__success .success__icon {
  font-size: 3rem;
}
.form__success h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--blue);
}
.form__success p {
  color: var(--grey-700);
  font-size: 0.95rem;
}

/* ===== FOOTER ===== */
.footer {
  background: #111827;
  color: rgba(255,255,255,0.6);
}

.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-top: 48px;
  padding-bottom: 48px;
  flex-wrap: wrap;
}

.footer__logo-img {
  height: 52px;
  width: auto;
  border-radius: 8px;
}
.footer__brand p {
  margin-top: 8px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
}

.footer__links, .footer__contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a, .footer__contact a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer__links a:hover, .footer__contact a:hover {
  color: var(--yellow);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 20px 0;
}
.footer__bottom p {
  font-size: 0.8rem;
  text-align: center;
  color: rgba(255,255,255,0.3);
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .why__inner { grid-template-columns: 1fr; gap: 48px; }
  .contact__inner { grid-template-columns: 1fr; gap: 48px; }
  .steps { flex-direction: column; max-width: 480px; }
  .step__connector { width: 2px; height: 32px; margin: 0; margin-left: 27px; background: linear-gradient(180deg, var(--yellow), var(--yellow-dark)); }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .section, .section--dark, .section--light, .section--contact { padding: 64px 0; }
  .hero__stats { gap: 24px; }
  .stat__sep { display: none; }
  .form__row { grid-template-columns: 1fr; }
  .contact__form { padding: 28px 24px; }
  .services__grid { grid-template-columns: 1fr; }
  .problems__grid { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; gap: 32px; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 300px; justify-content: center; }
}