/* ===========================
   UNIVERSITE MULTIMEDIA
   One-page stylesheet
   =========================== */

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

:root {
  --orange: #F98012;
  --orange-dark: #E06800;
  --blue: #1177D1;
  --blue-light: #E8F2FC;
  --gray-light: #F8F9FA;
  --gray-medium: #CED4DA;
  --gray-dark: #373A3C;
  --white: #FFFFFF;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.07);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-dark);
  background: var(--white);
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* --- CONTAINER --- */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- TYPOGRAPHY --- */

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 20px;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--orange);
  margin-bottom: 12px;
}

.section-intro {
  max-width: 640px;
  color: #6c757d;
  margin-bottom: 48px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* --- BUTTONS --- */

.btn {
  display: inline-block;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 128, 18, 0.35);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

/* --- INLINE LINKS --- */

.inline-link {
  color: var(--blue);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(17, 119, 209, 0.3);
  text-underline-offset: 3px;
  transition: var(--transition);
}

.inline-link:hover {
  text-decoration-color: var(--blue);
}

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

.hero {
  padding: 80px 0 100px;
  text-align: center;
  background: linear-gradient(168deg, var(--white) 0%, var(--gray-light) 100%);
}

.hero-logo,
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.hero-logo {
  margin-bottom: 48px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.2;
}

.logo-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-dark);
  letter-spacing: -0.3px;
}

.logo-sub {
  font-size: 14px;
  font-weight: 400;
  color: var(--orange);
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  max-width: 600px;
  margin: 0 auto 40px;
  font-size: 1.1rem;
  color: #6c757d;
  line-height: 1.8;
}

/* ===========================
   SECTIONS (common)
   =========================== */

.section {
  padding: 100px 0;
}

.section-about {
  background: var(--white);
}

.section-formations {
  background: var(--gray-light);
}

.section-method {
  background: var(--white);
}

.section-why {
  background: var(--gray-light);
}

.section-testimonials {
  background: var(--white);
}

.section-contact {
  background: var(--gray-light);
}

/* ===========================
   ABOUT
   =========================== */

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 40px;
}

.about-text p {
  color: #6c757d;
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-stats {
  display: flex;
  gap: 20px;
  justify-content: stretch;
}

.stat {
  text-align: center;
  padding: 28px 16px;
  background: var(--gray-light);
  border-radius: var(--radius);
  flex: 1;
}

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: #6c757d;
  font-weight: 500;
}

/* ===========================
   FEATURE IMAGE
   =========================== */

.section-image {
  padding: 40px 0 60px;
  background: var(--white);
}

.feature-image {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ===========================
   CARDS (formations)
   =========================== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--gray-medium);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.card-icon svg {
  width: 48px;
  height: 48px;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.card p {
  font-size: 0.92rem;
  color: #6c757d;
  line-height: 1.65;
}

/* ===========================
   METHOD
   =========================== */

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.method-item {
  position: relative;
}

.method-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-medium);
  margin-bottom: 12px;
  line-height: 1;
}

.method-item h3 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.method-item p {
  font-size: 0.92rem;
  color: #6c757d;
  line-height: 1.65;
}

/* ===========================
   WHY
   =========================== */

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.why-block {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
}

.why-block h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.why-block p {
  font-size: 0.95rem;
  color: #6c757d;
  line-height: 1.7;
}

/* ===========================
   TESTIMONIALS
   =========================== */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  align-items: start;
}

.testimonial {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: none;
  position: relative;
  display: flex;
  flex-direction: column;
}

.testimonial p {
  font-size: 0.95rem;
  font-style: italic;
  color: #6c757d;
  line-height: 1.7;
  margin-bottom: 20px;
}

.testimonial footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.testimonial strong {
  font-size: 0.9rem;
  color: var(--gray-dark);
}

.testimonial span {
  font-size: 0.8rem;
  color: #adb5bd;
}

/* ===========================
   CTA
   =========================== */

.section-cta {
  padding: 100px 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: var(--white);
}

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

.cta-content h2 {
  color: var(--white);
  margin-bottom: 20px;
}

.cta-content p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.cta-content .inline-link {
  color: var(--orange);
  text-decoration-color: rgba(249, 128, 18, 0.4);
}

.cta-content .inline-link:hover {
  text-decoration-color: var(--orange);
}

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

.section-contact .section-label,
.section-contact h2,
.section-contact .section-intro {
  text-align: center;
}

.section-contact .section-intro {
  margin-left: auto;
  margin-right: auto;
}

.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--gray-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  border: 1.5px solid var(--gray-medium);
  border-radius: 8px;
  background: var(--white);
  color: var(--gray-dark);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(17, 119, 209, 0.12);
}

.form-group textarea {
  resize: vertical;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%23373A3C' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

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

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--gray-medium);
  background: var(--white);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  opacity: 0.6;
}

.footer-logo .logo-icon {
  width: 32px;
  height: 32px;
}

.footer-logo .logo-name {
  font-size: 13px;
}

.footer-logo .logo-sub {
  font-size: 12px;
}

.footer-text {
  font-size: 0.85rem;
  color: #adb5bd;
}

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .method-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 60px 0 72px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
  }

  .section {
    padding: 72px 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-stats {
    justify-content: stretch;
  }

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

  .method-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

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

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .section-cta {
    padding: 72px 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .about-stats {
    flex-direction: column;
    gap: 12px;
  }

  .btn-lg {
    padding: 16px 32px;
    font-size: 0.95rem;
  }
}