/* ============================================
   TERTIAIRE — extension de style.css
   Réutilise : .container .section .btn .badge-eco
   ============================================ */

/* ── HERO ── */
.trt-hero {
    position: relative;
    min-height: 560px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.trt-hero-bg {
    position: absolute;
    inset: 0;
}
.trt-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.trt-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,31,15,.95) 0%, rgba(13,26,45,.90) 60%, rgba(15,31,15,.92) 100%);
}
.trt-hero-content {
    position: relative;
    z-index: 1;
    padding: 5rem 0;
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
}
.trt-hero-label {
    display: inline-block;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    color: #86efac;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: 7px 20px;
    border-radius: 999px;
    margin-bottom: 1.5rem;
}
.trt-hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 1rem;
}
.trt-hero h1 .accent { color: #86efac; }
.trt-hero-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,.72);
    margin-bottom: 2.5rem;
}
.trt-hero-sub strong { color: #fff; }

/* ── INTRO GRID ── */
.trt-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}
.trt-intro-text p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1rem;
}
.trt-intro-text p.accent {
    color: var(--green-700);
    font-weight: 600;
}

/* Grille 4 cartes photo */
.trt-sol-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.trt-sol-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 185px;
    box-shadow: var(--shadow);
    transition: transform var(--transition);
}
.trt-sol-card:hover { transform: translateY(-5px); }
.trt-sol-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s;
}
.trt-sol-card:hover img { transform: scale(1.06); }
.trt-sol-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,31,15,.9) 40%, rgba(15,31,15,.3) 100%);
}
.trt-sol-card-body {
    position: absolute;
    inset: 0;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.trt-sol-card-icon {
    width: 36px;
    height: 36px;
    background: var(--green-600);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    margin-bottom: 8px;
    flex-shrink: 0;
}
.trt-sol-card h3 {
    font-size: .85rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}
.trt-sol-card p {
    font-size: .75rem;
    color: rgba(255,255,255,.75);
    line-height: 1.4;
}

/* ── AUDIENCE BOX ── */
.trt-audience {
    margin-top: 4rem;
    background: var(--green-50);
    border: 1px solid var(--green-100);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}
.trt-audience h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 1.5rem;
}
.trt-audience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.trt-audience-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1px solid var(--green-100);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: .83rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: box-shadow var(--transition);
}
.trt-audience-item:hover { box-shadow: var(--shadow-sm); }
.trt-audience-item .check { color: var(--green-600); font-size: .9rem; flex-shrink: 0; }

/* ── EXPERTISE CARDS ── */
.trt-expertise-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
.trt-exp-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}
.trt-exp-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.trt-exp-img {
    position: relative;
    height: 190px;
    overflow: hidden;
}
.trt-exp-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s;
}
.trt-exp-card:hover .trt-exp-img img { transform: scale(1.06); }
.trt-exp-img-overlay {
    position: absolute;
    inset: 0;
    opacity: .78;
}
.trt-exp-img-title {
    position: absolute;
    bottom: 14px;
    left: 18px;
    font-size: 1.15rem;
    font-weight: 800;
    color: #fff;
}
.trt-exp-body { padding: 1.75rem; }
.trt-exp-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
.trt-exp-label {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 10px;
}
.trt-exp-label.green { color: var(--green-700); }
.trt-exp-label.blue  { color: var(--blue-600); }
.trt-exp-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.trt-exp-list li {
    font-size: .83rem;
    color: var(--gray-600);
    display: flex;
    align-items: flex-start;
    gap: 7px;
    line-height: 1.45;
}
.trt-exp-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--green-500);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 6px;
}
.trt-exp-note {
    background: var(--gray-50);
    border-left: 3px solid var(--green-500);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 10px 14px;
    font-size: .83rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* ── FINANCE ── */
.trt-finance {
    background: linear-gradient(135deg, var(--gray-900) 0%, #0f1f0f 100%);
    padding: 5rem 0;
}
.trt-finance .section-title { color: #fff; }
.trt-finance .section-subtitle { color: rgba(255,255,255,.65); }
.trt-finance .section-label { background: rgba(134,239,172,.15); color: #86efac; }
.trt-finance-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}
.trt-finance-card {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: background var(--transition), border-color var(--transition);
}
.trt-finance-card:hover {
    background: rgba(255,255,255,.08);
    border-color: rgba(134,239,172,.3);
}
.trt-finance-card h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: #86efac;
    margin-bottom: 1.25rem;
}
.trt-finance-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.trt-finance-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .9rem;
    color: rgba(255,255,255,.82);
    line-height: 1.5;
}
.trt-finance-list li::before {
    content: '✓';
    color: #86efac;
    font-weight: 700;
    flex-shrink: 0;
}

/* ── ÉTAPES ── */
.trt-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    position: relative;
}
.trt-steps::before {
    content: '';
    position: absolute;
    top: 31px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(to right, var(--green-200), var(--blue-500), var(--green-200));
    z-index: 0;
}
.trt-step { text-align: center; position: relative; z-index: 1; }
.trt-step-num {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--green-600), var(--blue-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.3rem;
    font-weight: 900;
    color: #fff;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition);
    border: 3px solid #fff;
}
.trt-step:hover .trt-step-num { transform: scale(1.15); }
.trt-step h3 {
    font-size: .88rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
}
.trt-step p {
    font-size: .8rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* Box entretien */
.trt-maintenance {
    margin-top: 3.5rem;
    background: var(--green-50);
    border: 1px solid var(--green-100);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}
.trt-maintenance h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: .75rem;
}
.trt-maintenance > p {
    text-align: center;
    color: var(--gray-500);
    margin-bottom: 1.5rem;
    font-size: .95rem;
}
.trt-maintenance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.trt-maintenance-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    border: 1px solid var(--green-100);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: .9rem;
}
.trt-maintenance-item::before {
    content: '✓';
    color: var(--green-600);
    font-weight: 800;
    flex-shrink: 0;
}

/* ── POURQUOI NOUS ── */
.trt-dark {
    background: linear-gradient(135deg, #0f1f0f 0%, #0d1a2e 100%);
    padding: 5rem 0;
}
.trt-dark .section-header .section-title { color: #fff; }
.trt-dark .section-header .section-subtitle { color: rgba(255,255,255,.6); }
.trt-adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.trt-adv-card {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: border-color var(--transition), transform var(--transition), background var(--transition);
}
.trt-adv-card:hover {
    border-color: var(--green-500);
    transform: translateY(-6px);
    background: rgba(255,255,255,.08);
}
.trt-adv-icon {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--green-600), var(--blue-700));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    transition: transform var(--transition);
}
.trt-adv-card:hover .trt-adv-icon { transform: scale(1.1) rotate(6deg); }
.trt-adv-card h3 {
    font-size: .95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: .5rem;
}
.trt-adv-card p {
    font-size: .83rem;
    color: rgba(255,255,255,.55);
    line-height: 1.6;
}

/* ── CTA FINAL ── */
.trt-cta {
    position: relative;
    padding: 5rem 0;
    overflow: hidden;
    text-align: center;
}
.trt-cta-bg {
    position: absolute;
    inset: 0;
}
.trt-cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.trt-cta-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(22,163,74,.96), rgba(29,78,216,.96));
}
.trt-cta-inner {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
}
.trt-cta-inner h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
}
.trt-cta-inner > p {
    font-size: 1.05rem;
    color: rgba(255,255,255,.85);
    margin-bottom: 2rem;
}
.trt-cta-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}
.trt-cta-notes {
    font-size: .85rem;
    color: rgba(255,255,255,.75);
    line-height: 2;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .trt-intro { grid-template-columns: 1fr; gap: 3rem; }
    .trt-expertise-grid { grid-template-columns: 1fr; }
    .trt-adv-grid { grid-template-columns: 1fr 1fr; }
    .trt-steps { grid-template-columns: repeat(3, 1fr); }
    .trt-steps::before { display: none; }
    .trt-audience-grid { grid-template-columns: 1fr 1fr; }
    .trt-maintenance-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .trt-sol-grid { grid-template-columns: 1fr 1fr; }
    .trt-finance-grid { grid-template-columns: 1fr; }
    .trt-adv-grid { grid-template-columns: 1fr; }
    .trt-steps { grid-template-columns: 1fr 1fr; }
    .trt-exp-cols { grid-template-columns: 1fr; }
    .trt-audience-grid { grid-template-columns: 1fr; }
    .trt-maintenance-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .trt-sol-grid { grid-template-columns: 1fr; }
    .trt-steps { grid-template-columns: 1fr; }
}