/* ============================================
   DEEPHOSTING — Calculateur (v2)
   Mise en forme professionnelle
============================================ */

/* --------------------------------------------
   HERO DU CALCULATEUR
-------------------------------------------- */
.calc-hero {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 180px 40px 60px;
    max-width: 900px;
    margin: 0 auto;
}
.calc-hero-title {
    font-size: clamp(38px, 5vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin: 20px 0 24px;
}
.calc-hero-subtitle {
    font-size: clamp(16px, 1.6vw, 19px);
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* --------------------------------------------
   LAYOUT PRINCIPAL
-------------------------------------------- */
.calc-main {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 40px 100px;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}
.calculator-container {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    padding: 40px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

/* --------------------------------------------
   EN-TÊTE DE PROGRESSION
-------------------------------------------- */
.calc-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 24px;
}
.calc-progress-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.calc-step-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
}
.calc-step-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}
.calc-total-display {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}
.calc-total-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
}
.calc-total-value {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
    line-height: 1;
}

/* --------------------------------------------
   BARRE DE PROGRESSION
-------------------------------------------- */
.calc-progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 100px;
    overflow: hidden;
    margin-bottom: 40px;
}
.calc-progress-fill {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 100px;
    transition: width 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

/* --------------------------------------------
   ÉTAPES
-------------------------------------------- */
.calc-content {
    min-height: 400px;
}
.calc-step {
    display: none;
    animation: stepFadeIn 0.4s ease;
}
.calc-step.active {
    display: block;
}
@keyframes stepFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.step-header {
    margin-bottom: 32px;
}
.step-title {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    color: var(--text);
}
.step-description {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --------------------------------------------
   SOUS-SECTIONS (étape 5)
-------------------------------------------- */
.calc-subsection {
    margin-bottom: 32px;
}
.calc-subsection-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}

/* --------------------------------------------
   CARTES D'OPTIONS
-------------------------------------------- */
.calc-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}
.calc-options-grid:has(.calc-card-sm) {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.calc-card {
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    color: var(--text);
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: all 0.25s cubic-bezier(0.23, 1, 0.32, 1);
    overflow: hidden;
}
.calc-card:hover {
    background: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(139, 92, 246, 0.15);
}
.calc-card.selected {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
    border-color: var(--secondary);
    box-shadow: 0 0 0 1px var(--secondary), 0 12px 32px rgba(139, 92, 246, 0.25);
}
.calc-card.selected .calc-card-check {
    opacity: 1;
    transform: scale(1);
}

.calc-card-icon {
    font-size: 28px;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 12px;
}
.calc-card-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}
.calc-card-content strong {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}
.calc-card-content span {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.4;
}
.calc-card-price {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
}
.calc-card-check {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 22px;
    height: 22px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: white;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Carte compacte */
.calc-card-sm {
    padding: 16px 18px;
    align-items: center;
    min-height: 76px;
}
.calc-card-sm .calc-card-content strong { font-size: 14px; }
.calc-card-sm .calc-card-content span { font-size: 12px; }

/* --------------------------------------------
   FORMULAIRE
-------------------------------------------- */
.devis-form {
    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: 8px;
}
.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.2px;
}
.form-group label .required {
    color: var(--warning);
}
.form-group input,
.form-group textarea {
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    transition: all 0.25s;
    width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(6, 182, 212, 0.05);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}
.form-group textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

/* --------------------------------------------
   RÉCAPITULATIF
-------------------------------------------- */
.recap-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(139, 92, 246, 0.06));
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 16px;
    overflow: hidden;
    margin-top: 8px;
}
.recap-header {
    padding: 16px 20px;
    background: rgba(139, 92, 246, 0.08);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}
.recap-header h4 {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text);
}
.recap-body {
    padding: 20px;
    font-size: 14px;
    line-height: 1.9;
    color: var(--text-muted);
}
.recap-body strong {
    color: var(--text);
    font-weight: 600;
}
.recap-empty {
    font-style: italic;
    color: var(--text-dim);
}
.recap-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(139, 92, 246, 0.08);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
}
.recap-total-label {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
}
.recap-total-value {
    font-size: 32px;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
    line-height: 1;
}

/* Bouton submit */
.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 18px 32px;
    font-size: 16px;
    margin-top: 8px;
}
.form-notice {
    text-align: center;
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* --------------------------------------------
   NAVIGATION
-------------------------------------------- */
.calc-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--glass-border);
}
.calc-nav .btn {
    padding: 14px 28px;
    font-size: 14px;
    min-width: 140px;
    justify-content: center;
}
.calc-nav .btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* --------------------------------------------
   SIDEBAR
-------------------------------------------- */
.calc-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: sticky;
    top: 120px;
}
.sidebar-card {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    transition: all 0.3s;
}
.sidebar-card:hover {
    transform: translateY(-4px);
    border-color: rgba(139, 92, 246, 0.4);
}
.sidebar-card.highlight {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border-color: rgba(139, 92, 246, 0.4);
}
.sidebar-icon {
    font-size: 28px;
    margin-bottom: 12px;
    display: block;
}
.sidebar-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
}
.sidebar-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --------------------------------------------
   RESPONSIVE
-------------------------------------------- */
@media (max-width: 1024px) {
    .calc-main {
        grid-template-columns: 1fr;
        padding: 40px 24px 80px;
    }
    .calc-sidebar {
        position: relative;
        top: 0;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 12px;
    }
}

@media (max-width: 768px) {
    .calc-hero {
        padding: 140px 20px 40px;
    }
    .calc-main {
        padding: 20px 16px 60px;
    }
    .calculator-container {
        padding: 24px 20px;
        border-radius: 20px;
    }
    .calc-progress-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .calc-total-display {
        align-items: flex-start;
        width: 100%;
    }
    .step-title {
        font-size: 22px;
    }
    .calc-options-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .calc-nav {
        flex-direction: column-reverse;
    }
    .calc-nav .btn {
        width: 100%;
    }
    .recap-footer {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
}